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