src/Files.App.CsWin32/Extras.cs - main - githubmirror/Files

src/Files.App.CsWin32/Extras.cs

52 строки2 KB

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Code Quality: Replace raw ABI pointers with ComObject instances for safer disposal (#18684)

16 июл 2026, 18:32

16 июл 2026, 18:3293dfb04

// Copyright (c) Files Community
// Licensed under the MIT License.

using System.Runtime.InteropServices;
using System.Runtime.InteropServices.Marshalling;
using Windows.Win32.Foundation;
using Windows.Win32.Graphics.DirectComposition;
using Windows.Win32.Graphics.Gdi;
using Windows.Win32.UI.WindowsAndMessaging;

namespace Windows.Win32
{
	public static partial class PInvoke
	{
		[LibraryImport("User32", EntryPoint = "SetWindowLongW")]
		private static partial int _SetWindowLong(nint hWnd, int nIndex, int dwNewLong);

		[LibraryImport("User32", EntryPoint = "SetWindowLongPtrW")]
		private static partial nint _SetWindowLongPtr(nint hWnd, int nIndex, nint dwNewLong);

		// NOTE:
		//  CsWin32 doesn't generate SetWindowLong on other than x86 and vice versa.
		//  For more info, visit https://github.com/microsoft/CsWin32/issues/882
		public static unsafe nint SetWindowLongPtr(HWND hWnd, WINDOW_LONG_PTR_INDEX nIndex, nint dwNewLong)
		{
			return sizeof(nint) is 4
				? (nint)_SetWindowLong(hWnd, (int)nIndex, (int)dwNewLong)
				: _SetWindowLongPtr(hWnd, (int)nIndex, dwNewLong);
		}

		[LibraryImport("shell32.dll", EntryPoint = "SHUpdateRecycleBinIcon", SetLastError = true)]
		public static partial void SHUpdateRecycleBinIcon();

		public const int PixelFormat32bppARGB = 2498570;
	}

	namespace Extras
	{
		[UnmanagedFunctionPointer(CallingConvention.Winapi)]
		public unsafe delegate BOOL ManagedMONITORENUMPROC([In] HMONITOR param0, [In] HDC param1, [In][Out] RECT* param2, [In] LPARAM param3);

		[UnmanagedFunctionPointer(CallingConvention.Winapi)]
		public delegate LRESULT ManagedWNDPROC(HWND hWnd, uint msg, WPARAM wParam, LPARAM lParam);

		[GeneratedComInterface, Guid("EACDD04C-117E-4E17-88F4-D1B12B0E3D89"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
		public partial interface IDCompositionTarget
		{
			[PreserveSig]
			int SetRoot(IDCompositionVisual visual);
		}
	}
}