using Microsoft.Win32.SafeHandles; using System; using System.Diagnostics; using System.Runtime.CompilerServices; using System.Runtime.InteropServices; namespace Vanara.PInvoke { /// Signals that a structure or class holds a handle to a synchronization object. public interface IGraphicsObjectHandle : IUserHandle { } /// Signals that a structure or class holds a HANDLE. public interface IHandle { /// Returns the value of the handle field. /// An IntPtr representing the value of the handle field. IntPtr DangerousGetHandle(); } /// Signals that a structure or class holds a handle to a synchronization object. public interface IKernelHandle : IHandle { } /// Signals that a structure or class holds a pointer to a security object. public interface ISecurityObject : IHandle { } /// Signals that a structure or class holds a handle to a synchronization object. public interface IShellHandle : IHandle { } /// Signals that a structure or class holds a handle to a synchronization object. public interface ISyncHandle : IKernelHandle { } /// Signals that a structure or class holds a handle to a synchronization object. public interface IUserHandle : IHandle { } /// Provides a handle to an accelerator table. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HACCEL : IUserHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HACCEL(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HACCEL NULL => new HACCEL(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HACCEL h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HACCEL(IntPtr h) => new HACCEL(h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HACCEL h1, HACCEL h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HACCEL h1, HACCEL h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HACCEL h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a generic handle. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HANDLE : IHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HANDLE(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HANDLE NULL => new HANDLE(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HANDLE h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HANDLE(IntPtr h) => new HANDLE(h); /// Performs an implicit conversion from to . /// The h. /// The result of the conversion. public static implicit operator HANDLE(SafeHANDLE h) => new HANDLE(h.DangerousGetHandle()); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HANDLE h1, HANDLE h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HANDLE h1, HANDLE h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HANDLE h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a bitmap. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HBITMAP : IGraphicsObjectHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HBITMAP(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HBITMAP NULL => new HBITMAP(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HBITMAP h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HBITMAP(IntPtr h) => new HBITMAP(h); /// Performs an implicit conversion from to . /// The pointer to a GDI handle. /// The result of the conversion. public static implicit operator HBITMAP(HGDIOBJ h) => new HBITMAP((IntPtr)h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HBITMAP h1, HBITMAP h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HBITMAP h1, HBITMAP h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HBITMAP h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a drawing brush. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HBRUSH : IGraphicsObjectHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HBRUSH(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HBRUSH NULL => new HBRUSH(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HBRUSH h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HBRUSH(IntPtr h) => new HBRUSH(h); /// Performs an implicit conversion from to . /// The pointer to a GDI handle. /// The result of the conversion. public static implicit operator HBRUSH(HGDIOBJ h) => new HBRUSH((IntPtr)h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HBRUSH h1, HBRUSH h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HBRUSH h1, HBRUSH h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HBRUSH h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a color space. [StructLayout(LayoutKind.Sequential)] public struct HCOLORSPACE : IGraphicsObjectHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HCOLORSPACE(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HCOLORSPACE NULL => new HCOLORSPACE(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HCOLORSPACE h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HCOLORSPACE(IntPtr h) => new HCOLORSPACE(h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HCOLORSPACE h1, HCOLORSPACE h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HCOLORSPACE h1, HCOLORSPACE h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HCOLORSPACE h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a Windows cursor. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HCURSOR : IGraphicsObjectHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HCURSOR(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HCURSOR NULL => new HCURSOR(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HCURSOR h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HCURSOR(IntPtr h) => new HCURSOR(h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HCURSOR h1, HCURSOR h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HCURSOR h1, HCURSOR h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HCURSOR h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a graphic device context. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HDC : IHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HDC(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HDC NULL => new HDC(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HDC h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HDC(IntPtr h) => new HDC(h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HDC h1, HDC h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HDC h1, HDC h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HDC h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a desktop. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HDESK : IKernelHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HDESK(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HDESK NULL => new HDESK(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HDESK h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HDESK(IntPtr h) => new HDESK(h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HDESK h1, HDESK h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HDESK h1, HDESK h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HDESK h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a DPA. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HDPA : IKernelHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HDPA(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HDPA NULL => new HDPA(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HDPA h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HDPA(IntPtr h) => new HDPA(h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HDPA h1, HDPA h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HDPA h1, HDPA h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HDPA h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a Windows drop operation. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HDROP : IShellHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HDROP(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HDROP NULL => new HDROP(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HDROP h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HDROP(IntPtr h) => new HDROP(h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HDROP h1, HDROP h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HDROP h1, HDROP h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HDROP h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a DSA. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HDSA : IKernelHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HDSA(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HDSA NULL => new HDSA(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HDSA h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HDSA(IntPtr h) => new HDSA(h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HDSA h1, HDSA h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HDSA h1, HDSA h2) => h1.Equals(h2); /// Determines whether the specified , is equal to this instance. /// The to compare with this instance. /// true if the specified is equal to this instance; otherwise, false. public override bool Equals(object obj) => obj is HDSA h ? handle == h.handle : false; /// Returns a hash code for this instance. /// A hash code for this instance, suitable for use in hashing algorithms and data structures like a hash table. public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a deferred windows position. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HDWP : IUserHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HDWP(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HDWP NULL => new HDWP(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HDWP h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HDWP(IntPtr h) => new HDWP(h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HDWP h1, HDWP h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HDWP h1, HDWP h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HDWP h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to an enhanced metafile. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HENHMETAFILE : IHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HENHMETAFILE(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HENHMETAFILE NULL => new HENHMETAFILE(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HENHMETAFILE h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HENHMETAFILE(IntPtr h) => new HENHMETAFILE(h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HENHMETAFILE h1, HENHMETAFILE h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HENHMETAFILE h1, HENHMETAFILE h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HENHMETAFILE h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a file. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HFILE : IKernelHandle { /// Represents an invalid handle. public static readonly HFILE INVALID_HANDLE_VALUE = new IntPtr(-1); private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HFILE(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HFILE NULL => new HFILE(IntPtr.Zero); /// Gets a value indicating whether this instance is an invalid handle (INVALID_HANDLE_VALUE). public bool IsInvalid => handle == INVALID_HANDLE_VALUE; /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HFILE h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HFILE(IntPtr h) => new HFILE(h); /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HFILE(SafeFileHandle h) => new HFILE(h?.DangerousGetHandle() ?? IntPtr.Zero); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HFILE h1, HFILE h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HFILE h1, HFILE h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HFILE h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a font. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HFONT : IGraphicsObjectHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HFONT(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HFONT NULL => new HFONT(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HFONT h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HFONT(IntPtr h) => new HFONT(h); /// Performs an implicit conversion from to . /// The pointer to a GDI handle. /// The result of the conversion. public static implicit operator HFONT(HGDIOBJ h) => new HFONT((IntPtr)h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HFONT h1, HFONT h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HFONT h1, HFONT h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HFONT h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a graphic device object. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HGDIOBJ : IGraphicsObjectHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HGDIOBJ(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HGDIOBJ NULL => new HGDIOBJ(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HGDIOBJ h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HGDIOBJ(IntPtr h) => new HGDIOBJ(h); /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HGDIOBJ(HBITMAP h) => new HGDIOBJ((IntPtr)h); /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HGDIOBJ(HBRUSH h) => new HGDIOBJ((IntPtr)h); /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HGDIOBJ(HCOLORSPACE h) => new HGDIOBJ((IntPtr)h); /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HGDIOBJ(HDC h) => new HGDIOBJ((IntPtr)h); /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HGDIOBJ(HFONT h) => new HGDIOBJ((IntPtr)h); /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HGDIOBJ(HMETAFILE h) => new HGDIOBJ((IntPtr)h); /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HGDIOBJ(HENHMETAFILE h) => new HGDIOBJ((IntPtr)h); /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HGDIOBJ(HPALETTE h) => new HGDIOBJ((IntPtr)h); /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HGDIOBJ(HPEN h) => new HGDIOBJ((IntPtr)h); /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HGDIOBJ(HRGN h) => new HGDIOBJ((IntPtr)h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HGDIOBJ h1, HGDIOBJ h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HGDIOBJ h1, HGDIOBJ h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HGDIOBJ h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a Windows icon. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HICON : IUserHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HICON(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HICON NULL => new HICON(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HICON h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HICON(IntPtr h) => new HICON(h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HICON h1, HICON h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HICON h1, HICON h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HICON h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a Windows image list. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HIMAGELIST : IShellHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HIMAGELIST(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HIMAGELIST NULL => new HIMAGELIST(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HIMAGELIST h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HIMAGELIST(IntPtr h) => new HIMAGELIST(h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HIMAGELIST h1, HIMAGELIST h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HIMAGELIST h1, HIMAGELIST h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HIMAGELIST h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a module or library instance. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HINSTANCE : IKernelHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HINSTANCE(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HINSTANCE NULL => new HINSTANCE(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HINSTANCE h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HINSTANCE(IntPtr h) => new HINSTANCE(h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HINSTANCE h1, HINSTANCE h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HINSTANCE h1, HINSTANCE h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HINSTANCE h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a Windows registry key. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HKEY : IKernelHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HKEY(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HKEY NULL => new HKEY(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// /// Registry entries subordinate to this key define types (or classes) of documents and the properties associated with those types. /// Shell and COM applications use the information stored under this key. /// public static readonly HKEY HKEY_CLASSES_ROOT = new HKEY(new IntPtr(unchecked((int)0x80000000))); /// /// Contains information about the current hardware profile of the local computer system. The information under HKEY_CURRENT_CONFIG /// describes only the differences between the current hardware configuration and the standard configuration. Information about the /// standard hardware configuration is stored under the Software and System keys of HKEY_LOCAL_MACHINE. /// public static readonly HKEY HKEY_CURRENT_CONFIG = new HKEY(new IntPtr(unchecked((int)0x80000005))); /// /// Registry entries subordinate to this key define the preferences of the current user. These preferences include the settings of /// environment variables, data about program groups, colors, printers, network connections, and application preferences. This key /// makes it easier to establish the current user's settings; the key maps to the current user's branch in HKEY_USERS. In /// HKEY_CURRENT_USER, software vendors store the current user-specific preferences to be used within their applications. Microsoft, /// for example, creates the HKEY_CURRENT_USER\Software\Microsoft key for its applications to use, with each application creating its /// own subkey under the Microsoft key. /// public static readonly HKEY HKEY_CURRENT_USER = new HKEY(new IntPtr(unchecked((int)0x80000001))); /// public static readonly HKEY HKEY_DYN_DATA = new HKEY(new IntPtr(unchecked((int)0x80000006))); /// /// Registry entries subordinate to this key define the physical state of the computer, including data about the bus type, system /// memory, and installed hardware and software. It contains subkeys that hold current configuration data, including Plug and Play /// information (the Enum branch, which includes a complete list of all hardware that has ever been on the system), network logon /// preferences, network security information, software-related information (such as server names and the location of the server), /// and other system information. /// public static readonly HKEY HKEY_LOCAL_MACHINE = new HKEY(new IntPtr(unchecked((int)0x80000002))); /// /// Registry entries subordinate to this key allow you to access performance data. The data is not actually stored in the registry; /// the registry functions cause the system to collect the data from its source. /// public static readonly HKEY HKEY_PERFORMANCE_DATA = new HKEY(new IntPtr(unchecked((int)0x80000004))); /// /// Registry entries subordinate to this key define the default user configuration for new users on the local computer and the user /// configuration for the current user. /// public static readonly HKEY HKEY_USERS = new HKEY(new IntPtr(unchecked((int)0x80000003))); /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HKEY h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HKEY(IntPtr h) => new HKEY(h); /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HKEY(SafeRegistryHandle h) => new HKEY(h.DangerousGetHandle()); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HKEY h1, HKEY h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HKEY h1, HKEY h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HKEY h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a menu. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HMENU : IUserHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HMENU(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HMENU NULL => new HMENU(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HMENU h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HMENU(IntPtr h) => new HMENU(h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HMENU h1, HMENU h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HMENU h1, HMENU h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HMENU h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a metafile. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HMETAFILE : IHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HMETAFILE(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HMETAFILE NULL => new HMETAFILE(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HMETAFILE h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HMETAFILE(IntPtr h) => new HMETAFILE(h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HMETAFILE h1, HMETAFILE h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HMETAFILE h1, HMETAFILE h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HMETAFILE h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a monitor. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HMONITOR : IKernelHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HMONITOR(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HMONITOR NULL => new HMONITOR(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HMONITOR h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HMONITOR(IntPtr h) => new HMONITOR(h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HMONITOR h1, HMONITOR h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HMONITOR h1, HMONITOR h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HMONITOR h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a palette. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HPALETTE : IGraphicsObjectHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HPALETTE(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HPALETTE NULL => new HPALETTE(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HPALETTE h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HPALETTE(IntPtr h) => new HPALETTE(h); /// Performs an implicit conversion from to . /// The pointer to a GDI handle. /// The result of the conversion. public static implicit operator HPALETTE(HGDIOBJ h) => new HPALETTE((IntPtr)h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HPALETTE h1, HPALETTE h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HPALETTE h1, HPALETTE h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HPALETTE h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a drawing pen. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HPEN : IGraphicsObjectHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HPEN(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HPEN NULL => new HPEN(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HPEN h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HPEN(IntPtr h) => new HPEN(h); /// Performs an implicit conversion from to . /// The pointer to a GDI handle. /// The result of the conversion. public static implicit operator HPEN(HGDIOBJ h) => new HPEN((IntPtr)h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HPEN h1, HPEN h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HPEN h1, HPEN h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HPEN h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a process. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HPROCESS : ISyncHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HPROCESS(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HPROCESS NULL => new HPROCESS(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HPROCESS h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HPROCESS(IntPtr h) => new HPROCESS(h); /// Performs an implicit conversion from to . /// The Process instance. /// The result of the conversion. public static implicit operator HPROCESS(Process p) => new HPROCESS(p.Handle); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HPROCESS h1, HPROCESS h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HPROCESS h1, HPROCESS h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HPROCESS h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a Windows property sheet. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HPROPSHEET : IUserHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HPROPSHEET(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HPROPSHEET NULL => new HPROPSHEET(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HPROPSHEET h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HPROPSHEET(IntPtr h) => new HPROPSHEET(h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HPROPSHEET h1, HPROPSHEET h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HPROPSHEET h1, HPROPSHEET h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HPROPSHEET h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a property sheet page. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HPROPSHEETPAGE : IUserHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HPROPSHEETPAGE(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HPROPSHEETPAGE NULL => new HPROPSHEETPAGE(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HPROPSHEETPAGE h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HPROPSHEETPAGE(IntPtr h) => new HPROPSHEETPAGE(h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HPROPSHEETPAGE h1, HPROPSHEETPAGE h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HPROPSHEETPAGE h1, HPROPSHEETPAGE h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HPROPSHEETPAGE h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a drawing region. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HRGN : IGraphicsObjectHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HRGN(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HRGN NULL => new HRGN(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HRGN h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HRGN(IntPtr h) => new HRGN(h); /// Performs an implicit conversion from to . /// The pointer to a GDI handle. /// The result of the conversion. public static implicit operator HRGN(HGDIOBJ h) => new HRGN((IntPtr)h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HRGN h1, HRGN h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HRGN h1, HRGN h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HRGN h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a file mapping object. [StructLayout(LayoutKind.Sequential)] public struct HSECTION : IHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HSECTION(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HSECTION NULL => new HSECTION(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HSECTION h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HSECTION(IntPtr h) => new HSECTION(h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HSECTION h1, HSECTION h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HSECTION h1, HSECTION h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HSECTION h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a blocking task. [StructLayout(LayoutKind.Sequential)] public struct HTASK : IHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HTASK(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HTASK NULL => new HTASK(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HTASK h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HTASK(IntPtr h) => new HTASK(h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HTASK h1, HTASK h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HTASK h1, HTASK h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HTASK h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a Windows theme. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HTHEME : IHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HTHEME(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HTHEME NULL => new HTHEME(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HTHEME h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HTHEME(IntPtr h) => new HTHEME(h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HTHEME h1, HTHEME h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HTHEME h1, HTHEME h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HTHEME h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a thread. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HTHREAD : ISyncHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HTHREAD(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HTHREAD NULL => new HTHREAD(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HTHREAD h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HTHREAD(IntPtr h) => new HTHREAD(h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HTHREAD h1, HTHREAD h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HTHREAD h1, HTHREAD h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HTHREAD h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a Windows thumbnail. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HTHUMBNAIL : IShellHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HTHUMBNAIL(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HTHUMBNAIL NULL => new HTHUMBNAIL(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HTHUMBNAIL h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HTHUMBNAIL(IntPtr h) => new HTHUMBNAIL(h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HTHUMBNAIL h1, HTHUMBNAIL h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HTHUMBNAIL h1, HTHUMBNAIL h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HTHUMBNAIL h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to an access token . [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HTOKEN : IKernelHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HTOKEN(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HTOKEN NULL => new HTOKEN(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HTOKEN h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HTOKEN(IntPtr h) => new HTOKEN(h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HTOKEN h1, HTOKEN h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HTOKEN h1, HTOKEN h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HTOKEN h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a windows station. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HWINSTA : IKernelHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HWINSTA(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HWINSTA NULL => new HWINSTA(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HWINSTA h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HWINSTA(IntPtr h) => new HWINSTA(h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HWINSTA h1, HWINSTA h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HWINSTA h1, HWINSTA h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HWINSTA h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a handle to a window or dialog. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct HWND : IUserHandle { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public HWND(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static HWND NULL => new HWND(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(HWND h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator HWND(IntPtr h) => new HWND(h); /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(HWND h1, HWND h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(HWND h1, HWND h2) => h1.Equals(h2); /// public override bool Equals(object obj) => obj is HWND h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a pointer to an access control entry. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct PACE : ISecurityObject { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public PACE(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static PACE NULL => new PACE(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(PACE h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator PACE(IntPtr h) => new PACE(h); /// public override bool Equals(object obj) => obj is PACE h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a pointer to an access control list. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct PACL : ISecurityObject { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public PACL(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static PACL NULL => new PACL(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(PACL h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator PACL(IntPtr h) => new PACL(h); /// public override bool Equals(object obj) => obj is PACL h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a pointer to a security descriptor. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct PSECURITY_DESCRIPTOR : ISecurityObject { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public PSECURITY_DESCRIPTOR(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static PSECURITY_DESCRIPTOR NULL => new PSECURITY_DESCRIPTOR(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(PSECURITY_DESCRIPTOR h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator PSECURITY_DESCRIPTOR(IntPtr h) => new PSECURITY_DESCRIPTOR(h); /// public override bool Equals(object obj) => obj is PSECURITY_DESCRIPTOR h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Provides a pointer to a security identifier. [StructLayout(LayoutKind.Sequential), DebuggerDisplay("{handle}")] public struct PSID : ISecurityObject { private IntPtr handle; /// Initializes a new instance of the struct. /// An object that represents the pre-existing handle to use. public PSID(IntPtr preexistingHandle) => handle = preexistingHandle; /// Returns an invalid handle by instantiating a object with . public static PSID NULL => new PSID(IntPtr.Zero); /// Gets a value indicating whether this instance is a null handle. public bool IsNull => handle == IntPtr.Zero; /// Performs an explicit conversion from to . /// The handle. /// The result of the conversion. public static explicit operator IntPtr(PSID h) => h.handle; /// Performs an implicit conversion from to . /// The pointer to a handle. /// The result of the conversion. public static implicit operator PSID(IntPtr h) => new PSID(h); /// public override bool Equals(object obj) => obj is PSID h ? handle == h.handle : false; /// public override int GetHashCode() => handle.GetHashCode(); /// public IntPtr DangerousGetHandle() => handle; } /// Base class for all native handles. /// /// /// [DebuggerDisplay("{handle}")] public abstract class SafeHANDLE : SafeHandleZeroOrMinusOneIsInvalid, IEquatable, IHandle { /// Initializes a new instance of the class. public SafeHANDLE() : base(true) { } /// Initializes a new instance of the class and assigns an existing handle. /// An object that represents the pre-existing handle to use. /// /// to reliably release the handle during the finalization phase; otherwise, (not recommended). /// protected SafeHANDLE(IntPtr preexistingHandle, bool ownsHandle = true) : base(ownsHandle) => SetHandle(preexistingHandle); /// Gets a value indicating whether this instance is null. /// true if this instance is null; otherwise, false. public bool IsNull => handle == IntPtr.Zero; /// Implements the operator !=. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator !=(SafeHANDLE h1, SafeHANDLE h2) => !(h1 == h2); /// Implements the operator ==. /// The first handle. /// The second handle. /// The result of the operator. public static bool operator ==(SafeHANDLE h1, SafeHANDLE h2) => h1?.Equals(h2) ?? h2 is null; /// Determines whether the specified , is equal to this instance. /// The to compare with this instance. /// true if the specified is equal to this instance; otherwise, false. public bool Equals(SafeHANDLE other) { if (other is null) return false; if (ReferenceEquals(this, other)) return true; return handle == other.handle && IsClosed == other.IsClosed; } /// Determines whether the specified , is equal to this instance. /// The to compare with this instance. /// true if the specified is equal to this instance; otherwise, false. public override bool Equals(object obj) { switch (obj) { case IHandle ih: return handle.Equals(ih.DangerousGetHandle()); case SafeHandle sh: return handle.Equals(sh.DangerousGetHandle()); case IntPtr p: return handle.Equals(p); default: return base.Equals(obj); } } /// Returns a hash code for this instance. /// A hash code for this instance, suitable for use in hashing algorithms and data structures like a hash table. public override int GetHashCode() => base.GetHashCode(); /// /// Internal method that actually releases the handle. This is called by for valid handles and afterwards /// zeros the handle. /// /// true to indicate successful release of the handle; false otherwise. protected abstract bool InternalReleaseHandle(); /// [MethodImpl(MethodImplOptions.NoOptimization | MethodImplOptions.NoInlining)] protected override bool ReleaseHandle() { if (IsInvalid) return true; if (!InternalReleaseHandle()) return false; handle = IntPtr.Zero; return true; } } }