As alternative to #454 PR changingPROCESS_BASIC_INFORMATION with breaking field names and types, added properties to align with docs for GetProcessInformation

Core/InteropServices/SafeMemoryHandle.cs

@@ -261,6 +261,9 @@ public abstract class MemoryMethodsBase : IMemoryMethods
 /// <seealso cref="SafeHandle"/>
 public abstract class SafeAllocatedMemoryHandleBase : SafeHandle, IComparable<SafeAllocatedMemoryHandleBase>, IEquatable<SafeAllocatedMemoryHandleBase>
 {
+	/// <summary>Occurs when the handle has changed.</summary>
+	public event EventHandler<IntPtr>? HandleChanged;
+
 	/// <summary>Initializes a new instance of the <see cref="SafeAllocatedMemoryHandleBase"/> class.</summary>
 	/// <param name="handle">The handle.</param>
 	/// <param name="ownsHandle">if set to <c>true</c> if this class is responsible for freeing the memory on disposal.</param>
@@ -401,6 +404,14 @@ public abstract class SafeAllocatedMemoryHandleBase : SafeHandle, IComparable<Sa
 		finally { Unlock(); }
 	}
 
+	/// <summary>Sets the handle to the specified pre-existing handle.</summary>
+	/// <param name="h">The pre-existing handle to use.</param>
+	/// <remarks>
+	/// Use the SetHandle method only if you need to support a pre-existing handle (for example, if the handle is returned in a structure)
+	/// because the .NET Framework COM interop infrastructure does not support marshaling output handles in a structure.
+	/// </remarks>
+	new protected void SetHandle(IntPtr h) { base.SetHandle(h); HandleChanged?.Invoke(this, h); }
+
 	private class SafeBufferImpl : SafeBuffer
 	{
 		public SafeBufferImpl(SafeAllocatedMemoryHandleBase hMem) : base(false) => Initialize((ulong)hMem.Size);

Core/InteropServices/StrPtr.cs

@@ -250,7 +250,7 @@ public struct StrPtrAuto : IEquatable<string>, IEquatable<StrPtrAuto>, IEquatabl
 	/// <returns>
 	/// <see langword="true"/> if the value parameter is <see langword="null"/> or an empty string (""); otherwise, <see langword="false"/>.
 	/// </returns>
-	public bool IsNullOrEmpty => ptr == IntPtr.Zero || StringHelper.GetString(ptr, CharSet.Auto, 1) == string.Empty;
+	public bool IsNullOrEmpty => ptr == IntPtr.Zero || Marshal.SystemDefaultCharSize == 2 ? Marshal.ReadInt16(ptr) == 0 : Marshal.ReadByte(ptr) == 0;
 
 	/// <summary>Performs an implicit conversion from <see cref="StrPtrAuto"/> to <see cref="string"/>.</summary>
 	/// <param name="p">The <see cref="StrPtrAuto"/> instance.</param>

PInvoke/NtDll/Winternl.cs

@@ -912,6 +912,24 @@ public static partial class NtDll
 
 		/// <summary>Reserved for internal use by the operating system.</summary>
 		private readonly IntPtr Reserved3;
+
+		/// <summary>
+		/// Contains the same value that GetExitCodeProcess returns. However the use of GetExitCodeProcess is preferable for clarity and
+		/// safety. Cast to <see cref="NTStatus"/>.
+		/// </summary>
+		public readonly NTStatus ExitStatus => (NTStatus)Reserved1.ToInt32();
+
+		/// <summary>Points to a <see cref="PEB"/> structure.</summary>
+		public readonly ref PEB Peb => ref PebBaseAddress.AsRef<PEB>();
+
+		/// <summary>Contains the same value that GetProcessAffinityMask returns for the lpProcessAffinityMask parameter.</summary>
+		public readonly nuint AffinityMask => Reserved2_1.ToUIntPtr();
+
+		/// <summary>Contains the process priority as described in Scheduling Priorities.</summary>
+		public readonly nint BasePriority => Reserved2_2;
+
+		/// <summary>Contains a unique identifier for the parent process.</summary>
+		public readonly nuint InheritedFromUniqueProcessId => Reserved3.ToUIntPtr();
 	}
 
 	/// <summary>Contains information for basic process information.</summary>
@@ -920,22 +938,22 @@ public static partial class NtDll
 	public struct PROCESS_BASIC_INFORMATION_WOW64
 	{
 		/// <summary>Reserved for internal use by the operating system.</summary>
-		private readonly long Reserved1;
+		public long Reserved1;
 
 		/// <summary>Pointer to a PEB structure.</summary>
 		public long PebBaseAddress;
 
 		/// <summary>Reserved for internal use by the operating system.</summary>
-		private readonly long Reserved2_1;
+		public long Reserved2_1;
 
 		/// <summary>Reserved for internal use by the operating system.</summary>
-		private readonly long Reserved2_2;
+		public long Reserved2_2;
 
 		/// <summary>System's unique identifier for this process.</summary>
 		public long UniqueProcessId;
 
 		/// <summary>Reserved for internal use by the operating system.</summary>
-		private readonly long Reserved3;
+		public long Reserved3;
 	}
 
 	/// <summary>

PInvoke/Shell32/ShObjIdl.IFolderView.cs

@@ -789,7 +789,7 @@ public static partial class Shell32
 		/// <remarks>If pszVerb is <c>NULL</c>, then the default verb is invoked on the selection.</remarks>
 		// https://docs.microsoft.com/en-us/windows/desktop/api/shobjidl_core/nf-shobjidl_core-ifolderview2-invokeverbonselection
 		// HRESULT InvokeVerbOnSelection( LPCSTR pszVerb );
-		void InvokeVerbOnSelection([In, MarshalAs(UnmanagedType.LPWStr)] string? pszVerb);
+		void InvokeVerbOnSelection([In, MarshalAs(UnmanagedType.LPStr)] string? pszVerb);
 
 		/// <summary>Sets and applies the view mode and image size.</summary>
 		/// <param name="uViewMode">