119 lines
5.2 KiB
C#
119 lines
5.2 KiB
C#
//----------------------------------------------------------------
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//----------------------------------------------------------------
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namespace Microsoft.Tools.Common
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{
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using System;
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using System.Runtime.InteropServices;
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using System.Diagnostics.CodeAnalysis;
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internal static class Win32Interop
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{
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public const int WM_SETICON = 0x80;
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public const int WM_NCHITTEST = 0x84;
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public const int WM_SYSCOMMAND = 0x0112;
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public const int GWL_STYLE = -16;
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public const int WS_MAXIMIZEBOX = 0x00010000;
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public const int WS_MINIMIZEBOX = 0x00020000;
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public const int WS_CLIPCHILDREN = 0x02000000;
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public const int WS_CLIPSIBLINGS = 0x04000000;
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public const int GWL_EXSTYLE = -20;
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public const int WS_EX_DLGMODALFRAME = 0x00000001;
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public const int WS_EX_CONTEXTHELP = 0x00000400;
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public const int SC_CONTEXTHELP = 0xf180;
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public const int ICON_SMALL = 0;
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public const int ICON_BIG = 1;
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[SuppressMessage("Microsoft.Performance", "CA1812:AvoidUninstantiatedInternalClasses", Justification = "This class is shared by various projects and may not be used by a specific project")]
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[StructLayout(LayoutKind.Sequential)]
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public sealed class POINT
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{
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public int x;
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public int y;
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public POINT()
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{
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this.x = 0;
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this.y = 0;
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}
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public POINT(int x, int y)
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{
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this.x = x;
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this.y = y;
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}
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}
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internal static void MakeWindowClipSiblingsAndChildren(HandleRef hwnd)
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{
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IntPtr windowStyle = Win32Interop.GetWindowLongPtr(hwnd.Handle, Win32Interop.GWL_STYLE);
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if (IntPtr.Size == 4)
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{
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windowStyle = new IntPtr(windowStyle.ToInt32() | Win32Interop.WS_CLIPSIBLINGS | Win32Interop.WS_CLIPCHILDREN);
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}
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else
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{
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windowStyle = new IntPtr(windowStyle.ToInt64() | ((long)Win32Interop.WS_CLIPSIBLINGS) | ((long)Win32Interop.WS_CLIPCHILDREN));
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}
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Win32Interop.SetWindowLongPtr(hwnd, Win32Interop.GWL_STYLE, (IntPtr)windowStyle);
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}
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// This static method is required because legacy OSes do not support
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// SetWindowLongPtr
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internal static IntPtr SetWindowLongPtr(HandleRef hWnd, int nIndex, IntPtr dwNewLong)
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{
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if (IntPtr.Size == 8)
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return SetWindowLongPtr64(hWnd, nIndex, dwNewLong);
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else
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return new IntPtr(SetWindowLong32(hWnd, nIndex, dwNewLong.ToInt32()));
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}
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// This static method is required because Win32 does not support
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// GetWindowLongPtr directly
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public static IntPtr GetWindowLongPtr(IntPtr hWnd, int nIndex)
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{
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if (IntPtr.Size == 8)
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return GetWindowLongPtr64(hWnd, nIndex);
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else
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return GetWindowLongPtr32(hWnd, nIndex);
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}
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[DllImport("user32.dll", EntryPoint = "SetWindowLong")]
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private static extern int SetWindowLong32(HandleRef hWnd, int nIndex, int dwNewLong);
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[DllImport("user32.dll", EntryPoint = "SetWindowLongPtr")]
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private static extern IntPtr SetWindowLongPtr64(HandleRef hWnd, int nIndex, IntPtr dwNewLong);
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[SuppressMessage("Microsoft.Portability", "CA1901:PInvokeDeclarationsShouldBePortable", MessageId = "return", Justification = "Calling code is expected to handle the different size of IntPtr")]
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[DllImport("user32.dll", EntryPoint = "GetWindowLong")]
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private static extern IntPtr GetWindowLongPtr32(IntPtr hWnd, int nIndex);
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[DllImport("user32.dll", EntryPoint = "GetWindowLongPtr")]
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private static extern IntPtr GetWindowLongPtr64(IntPtr hWnd, int nIndex);
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[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode", Justification = "This function is shared by various projects and may not be used by a specific project")]
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[DllImport("user32.dll")]
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public static extern IntPtr SendMessage(IntPtr hWnd, int Msg, IntPtr wParam, IntPtr lParam);
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[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode", Justification = "This function is shared by various projects and may not be used by a specific project")]
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[DllImport("user32.dll", CharSet = CharSet.Auto, ExactSpelling = true)]
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public static extern IntPtr GetActiveWindow();
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[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode", Justification = "This function is shared by various projects and may not be used by a specific project")]
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[System.Runtime.InteropServices.DllImport("gdi32.dll")]
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public static extern bool DeleteObject(IntPtr hObject);
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[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode", Justification = "This function is shared by various projects and may not be used by a specific project")]
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[DllImport("User32", EntryPoint = "ScreenToClient", SetLastError = true, ExactSpelling = true, CharSet = CharSet.Auto)]
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public static extern int ScreenToClient(IntPtr hWnd, [In, Out] POINT pt);
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}
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}
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