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//---------------------------------------------------------------------------
//
// <copyright file="SafeNativeMethods.cs" company="Microsoft">
// Copyright (C) Microsoft Corporation. All rights reserved.
// </copyright>
//
//
// Description: Safe P/Invokes used by UIAutomation
//
// History:
// 05/29/2003 : BrendanM removed commented out code which wasn't very
// useful. Will instead add in as-needed from our old Win32.cs
// file.
//
//---------------------------------------------------------------------------
using System.Runtime.InteropServices;
using System;
using System.Security;
using System.Security.Permissions;
using System.Collections;
using System.IO;
using System.Text;
namespace MS.Win32
{
// This class *MUST* be internal for security purposes
//CASRemoval:[SuppressUnmanagedCodeSecurity]
internal static class SafeNativeMethods
{
//
// Current Process ID / Handle
//
[DllImport("user32.dll", ExactSpelling=true, CharSet=System.Runtime.InteropServices.CharSet.Auto)]
public static extern int GetWindowThreadProcessId( NativeMethods.HWND hWnd, out int lpdwProcessId);
//
// GetSystemMetrics
//
public const int SM_CXMAXTRACK = 59;
public const int SM_CYMAXTRACK = 60;
public const int SM_XVIRTUALSCREEN = 76;
public const int SM_YVIRTUALSCREEN = 77;
public const int SM_CXVIRTUALSCREEN = 78;
public const int SM_CYVIRTUALSCREEN = 79;
public const int SM_SWAPBUTTON = 23;
public const int SM_CXHSCROLL = 21;
public const int SM_CYHSCROLL = 3;
[DllImport("user32.dll")]
public static extern int GetSystemMetrics(int metric);
//
// GetGUIThreadInfo
//
public const int GUI_CARETBLINKING = 0x00000001;
public const int GUI_INMOVESIZE = 0x00000002;
public const int GUI_INMENUMODE = 0x00000004;
public const int GUI_SYSTEMMENUMODE = 0x00000008;
public const int GUI_POPUPMENUMODE = 0x00000010;
[StructLayout(LayoutKind.Sequential, CharSet=CharSet.Unicode)]
public struct GUITHREADINFO
{
public int cbSize;
public int dwFlags;
public NativeMethods.HWND hwndActive;
public NativeMethods.HWND hwndFocus;
public NativeMethods.HWND hwndCapture;
public NativeMethods.HWND hwndMenuOwner;
public NativeMethods.HWND hwndMoveSize;
public NativeMethods.HWND hwndCaret;
public NativeMethods.RECT rc;
}
[DllImport("user32.dll", SetLastError = true)]
public static extern bool GetGUIThreadInfo(int idThread, ref GUITHREADINFO guiThreadInfo);
//
// Window style information
//
public const int GWL_HINSTANCE = -6;
public const int GWL_ID = -12;
public const int GWL_STYLE = -16;
public const int GWL_EXSTYLE = -20;
public const int WS_MINIMIZE = 0x20000000;
public const int WS_MAXIMIZE = 0x01000000;
public const int WS_THICKFRAME = 0x00040000;
public const int WS_SYSMENU = 0x00080000;
public const int WS_BORDER = 0x00800000;
public const int WS_DLGFRAME = 0x00400000;
public const int WS_CAPTION = 0x00C00000;
public const int WS_MINIMIZEBOX = 0x00020000;
public const int WS_MAXIMIZEBOX = 0x00010000;
public const int WS_DISABLED = 0x08000000;
public const int WS_CHILD = 0x40000000;
public const int WS_POPUP = unchecked((int)0x80000000);
public const int WS_EX_DLGMODALFRAME = 0x00000001;
public const int WS_EX_TOPMOST = 0x00000008;
public const int WS_EX_TRANSPARENT = 0x00000020;
public const int WS_EX_MDICHILD = 0x00000040;
public const int WS_EX_TOOLWINDOW = 0x00000080;
public const int WS_EX_APPWINDOW = 0x00040000;
public const int WS_EX_LAYERED = 0x00080000;
//
// Window navigation
//
public const int GA_PARENT = 1;
public const int GA_ROOT = 2;
[DllImport("user32.dll", CharSet=CharSet.Auto)]
public static extern NativeMethods.HWND GetAncestor( NativeMethods.HWND hwnd, int gaFlags );
public const int GW_HWNDFIRST = 0;
public const int GW_HWNDLAST = 1;
public const int GW_HWNDNEXT = 2;
public const int GW_HWNDPREV = 3;
public const int GW_OWNER = 4;
public const int GW_CHILD = 5;
[DllImport("user32.dll", CharSet=CharSet.Auto)]
public static extern NativeMethods.HWND GetDesktopWindow();
[DllImport("user32.dll")]
public static extern bool EnumThreadWindows(int dwThreadId, EnumThreadWndProc enumThreadWndProc, IntPtr lParam);
// the delegate passed to USER for receiving an EnumThreadWndProc
public delegate bool EnumThreadWndProc( NativeMethods.HWND hwnd, NativeMethods.HWND lParam);
//
// Other window information
//
[DllImport("user32.dll", ExactSpelling = true, SetLastError = true)]
public static extern bool GetClientRect( NativeMethods.HWND hwnd, out NativeMethods.RECT rc );
[DllImport("user32.dll", SetLastError = true)]
public static extern bool GetWindowRect( NativeMethods.HWND hwnd, out NativeMethods.RECT rc );
[DllImport("user32.dll", CharSet=CharSet.Auto)]
public static extern bool IsWindow( NativeMethods.HWND hwnd );
[DllImport("user32.dll", CharSet=CharSet.Auto)]
public static extern bool IsWindowEnabled( NativeMethods.HWND hwnd );
[DllImport("user32.dll")]
public static extern bool IsWindowVisible( NativeMethods.HWND hwnd );
[DllImport("user32.dll")]
public static extern bool IsIconic(NativeMethods.HWND hwnd);
[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern int GetClassName( NativeMethods.HWND hWnd, StringBuilder classname, int nMax );
[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern int RealGetWindowClass( NativeMethods.HWND hWnd, StringBuilder classname, int nMax );
[DllImport("user32.dll", CharSet=CharSet.Auto)]
internal extern static bool IsChild( NativeMethods.HWND parent, NativeMethods.HWND child );
public const int DWMWA_CLOAKED = 14;
[DllImport("DwmApi.dll")]
internal static extern int DwmGetWindowAttribute(
NativeMethods.HWND hwnd,
int dwAttributeToGet, //DWMWA_* values
ref int pvAttributeValue,
int cbAttribute);
//
// Regions
//
[DllImport("gdi32.dll", CharSet = CharSet.Auto, SetLastError = true)]
internal static extern IntPtr CreateRectRgn(int left, int top, int right, int bottom);
[DllImport("user32.dll", CharSet=CharSet.Auto)]
internal static extern int GetWindowRgn(IntPtr hwnd, IntPtr hrgn);
[DllImport("gdi32.dll", CharSet = CharSet.Auto)]
internal static extern bool PtInRegion(IntPtr hrgn, int x, int y);
internal const int COMPLEXREGION = 3;
//
// Atoms
//
[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern short GlobalAddAtom( string lpString );
//
// Module Name
//
[DllImport("Psapi.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern int GetModuleFileNameEx(MS.Internal.Automation.SafeProcessHandle hProcess, IntPtr hModule, StringBuilder buffer, int length);
//
// Multi monitor function
//
public const int MONITOR_DEFAULTTONULL = 0x00000000;
[DllImport("user32.dll", CharSet=CharSet.Auto)]
public static extern IntPtr MonitorFromRect( ref NativeMethods.RECT rect, int dwFlags );
//
// Scaling transforms
//
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern bool PhysicalToLogicalPoint(NativeMethods.HWND hwnd, ref NativeMethods.POINT pt);
//
// Misc
//
[DllImport("kernel32.dll", CharSet = CharSet.Auto)]
public static extern uint GetTickCount();
}
}
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