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Code Issues Releases Wiki Activity

Added INVALID_HANDLE_VALUE to HFILE

pull/30/head
David Hall 2019-01-15 12:17:37 -07:00
parent f3d1ac9e9c
commit 3da3c81694
1 changed files with 7 additions and 1 deletions
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8
PInvoke/Shared/Handles.cs
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@ -30,7 +30,7 @@ namespace Vanara.PInvoke
/// <summary>Signals that a structure or class holds a handle to a synchronization object.</summary>
public interface IUserHandle : IHandle { }
/// <summary>Provides a handle to an accelator table.</summary>
/// <summary>Provides a handle to an accelerator table.</summary>
[StructLayout(LayoutKind.Sequential)]
public struct HACCEL : IHandle
{
@ -575,6 +575,9 @@ namespace Vanara.PInvoke
[StructLayout(LayoutKind.Sequential)]
public struct HFILE : IKernelHandle
{
/// <summary>Represents an invalid handle.</summary>
public static readonly IntPtr INVALID_HANDLE_VALUE = new IntPtr(-1);
private IntPtr handle;
/// <summary>Initializes a new instance of the <see cref="HFILE"/> struct.</summary>
@ -584,6 +587,9 @@ namespace Vanara.PInvoke
/// <summary>Returns an invalid handle by instantiating a <see cref="HFILE"/> object with <see cref="IntPtr.Zero"/>.</summary>
public static HFILE NULL => new HFILE(IntPtr.Zero);
/// <summary>Gets a value indicating whether this instance is an invalid handle (INVALID_HANDLE_VALUE).</summary>
public bool IsInvalid => handle == INVALID_HANDLE_VALUE;
/// <summary>Gets a value indicating whether this instance is a null handle.</summary>
public bool IsNull => handle == IntPtr.Zero;