private void ResetWindowPosition(IntPtr windowHandle, User32.WINDOWINFO windowInfo)
{
if (!User32.SetWindowPos(windowHandle, default, 0, 0, windowInfo.rcWindow.GetWidth(), windowInfo.rcWindow.GetHeight(), 0))
{
throw new Exception(Kernel32.GetLastError().ToString());
}
}
public void GetWindowInfo()
{
User32.WINDOWINFO info = new User32.WINDOWINFO();
info.cbSize = (uint)Marshal.SizeOf(info);
User32.GetWindowInfo(Window, ref info);
Info = info;
}
private User32.WINDOWINFO GetWindowInfo(IntPtr windowHandle)
{
User32.WINDOWINFO windowInfo = default;
if (!User32.GetWindowInfo(windowHandle, ref windowInfo))
{
throw new Exception(Kernel32.GetLastError().ToString());
}
return(windowInfo);
}
//todo: 活动窗口时shell的情况
bool IsTopMostWindow(IntPtr hwnd)
{
User32.WINDOWINFO info = new User32.WINDOWINFO();
info.cbSize = (uint)Marshal.SizeOf(info);
User32.GetWindowInfo(hwnd, ref info);
const uint TOP_MOST = (uint)User32.WS_EX.WS_EX_TOPMOST;
return((info.dwExStyle & TOP_MOST) == TOP_MOST);
}
private static bool GetBorderSize(IntPtr handle, out Size size)
{
var wi = new User32.WINDOWINFO();
var result = User32.GetWindowInfo(handle, ref wi);
size = result ? new Size((int)wi.cxWindowBorders, (int)wi.cyWindowBorders) : Size.Empty;
return(result);
}
//public static string SettingGet(int row, int col)
//{
// if (row == 0 && col == 0)
// return Properties.Settings.Default.AppTitle0x0;
// if (row == 0 && col == 1)
// return Properties.Settings.Default.AppTitle0x1;
// if (row == 0 && col == 2)
// return Properties.Settings.Default.AppTitle0x2;
// if (row == 1 && col == 0)
// return Properties.Settings.Default.AppTitle1x0;
// if (row == 1 && col == 1)
// return Properties.Settings.Default.AppTitle1x1;
// if (row == 1 && col == 2)
// return Properties.Settings.Default.AppTitle1x2;
// return null;
//}
//public static void SettingSave(string appTitle, int row, int col)
//{
// if (row == 0 && col == 0)
// Properties.Settings.Default.AppTitle0x0 = appTitle;
// if (row == 0 && col == 1)
// Properties.Settings.Default.AppTitle0x1 = appTitle;
// if (row == 0 && col == 2)
// Properties.Settings.Default.AppTitle0x2 = appTitle;
// if (row == 1 && col == 0)
// Properties.Settings.Default.AppTitle1x0 = appTitle;
// if (row == 1 && col == 1)
// Properties.Settings.Default.AppTitle1x1 = appTitle;
// if (row == 1 && col == 2)
// Properties.Settings.Default.AppTitle1x2 = appTitle;
// Properties.Settings.Default.Save();
//}
public static BitmapSource CaptureApplication(IntPtr hWnd, bool bRestoreBeforeSnapshot)
{
if (bRestoreBeforeSnapshot)
{
User32.RestoreWindow(hWnd); //to get snapshot
}
//User32.PROCESS_DPI_AWARENESS pda = User32.GetProcessDpiAwareness(process.Handle);
User32.WINDOWINFO wi = User32.GetWindowInfo(hWnd);
int width = wi.rcWindow.Width;
int height = wi.rcWindow.Height;
if (width == 0 || height == 0)
{
return(null);
}
using (Bitmap bmp = new Bitmap(width, height, System.Drawing.Imaging.PixelFormat.Format32bppArgb))
{
using (Graphics graphics = Graphics.FromImage(bmp))
{
graphics.Clear(Color.Wheat);
IntPtr hdc = graphics.GetHdc();
if (!User32.PrintWindow(hWnd, hdc, User32.PW_RENDERFULLCONTENT))// User32.PW_CLIENTONLY))
{
int error = Marshal.GetLastWin32Error();
var exception = new System.ComponentModel.Win32Exception(error);
Debug.WriteLine("ERROR: " + error + ": " + exception.Message);
}
graphics.ReleaseHdc(hdc);
graphics.Dispose();
}
//bmp.Save("c:\\temp\\test.png", ImageFormat.Png);
BitmapSource b = GetImageSourceFromBitmap(bmp);
return(b);
}
}
private void SetMagnification(User32.WINDOWINFO windowInfo)
{
var width = windowInfo.rcClient.GetWidth();
var height = windowInfo.rcClient.GetHeight();
var isHigherThanWider = desktopHeight / height <= desktopWidth / width;
var magnification = isHigherThanWider ?
(float)desktopHeight / height :
(float)desktopWidth / width;
var xOffset = Math.Max(0, isHigherThanWider ?
(int)Math.Ceiling((desktopWidth / magnification - width) / 2f) :
(int)Math.Floor((desktopWidth / magnification - width) / 2f)
);
var yOffset = Math.Max(0, isHigherThanWider ?
(int)Math.Floor((desktopHeight / magnification - height) / 2f) :
(int)Math.Ceiling((desktopHeight / magnification - height) / 2f)
);
if (!Magnification.MagSetFullscreenTransform(magnification, windowInfo.rcClient.left - xOffset, windowInfo.rcClient.top - yOffset))
{
throw new Exception(Kernel32.GetLastError().ToString());
}
}
public void Run()
{
Process process = null;
try
{
process = Process.Start(executablePath);
process.WaitForInputIdle();
int width = 0, height = 0;
User32.WINDOWINFO windowInfo = default;
windowInfo = GetWindowInfo(process.MainWindowHandle);
width = windowInfo.rcWindow.right - windowInfo.rcWindow.left;
height = windowInfo.rcWindow.bottom - windowInfo.rcWindow.top;
#if DEBUG
// If Notepad was started, test different window sizes.
if (executablePath == "notepad")
{
width = 300;
height = 600;
}
#endif
ResetWindowPosition(process.MainWindowHandle, width, height);
InitializeMagnification();
backgroundWindow = new BackgroundWindow(process.MainWindowHandle, desktopWidth, desktopHeight).Show();
User32.ShowCursor(false);
var refreshInterval = 200;
var previousRect = new RECT();
bool pause = false, forceUpdate = false;
while (!process.HasExited)
{
if ((User32.GetAsyncKeyState((int)User32.VirtualKey.VK_LWIN)) != 0 &&
(User32.GetAsyncKeyState((int)User32.VirtualKey.VK_ESCAPE)) != 0)
{
pause = !pause;
if (pause)
{
backgroundWindow.Hide();
ResetMagnification();
}
else
{
backgroundWindow.Show();
forceUpdate = true;
}
}
if (pause)
{
Thread.Sleep(refreshInterval);
continue;
}
if (User32.GetForegroundWindow() != process.MainWindowHandle)
{
User32.SetForegroundWindow(process.MainWindowHandle);
}
windowInfo = GetWindowInfo(process.MainWindowHandle);
if (windowInfo.rcWindow.left != 0 || windowInfo.rcWindow.top != 0)
{
ResetWindowPosition(process.MainWindowHandle, windowInfo);
windowInfo = GetWindowInfo(process.MainWindowHandle);
}
if (forceUpdate || !windowInfo.rcClient.Equals(previousRect))
{
SetMagnification(windowInfo);
previousRect = windowInfo.rcClient;
}
if (forceUpdate)
{
forceUpdate = false;
}
Thread.Sleep(refreshInterval);
}
}
catch (Exception ex)
{
ex.Message.Log();
if (process != null && !process.HasExited)
{
process.Kill();
}
}
finally
{
try { User32.ShowCursor(true); } catch { }
try { Magnification.MagUninitialize(); } catch { }
try { backgroundWindow?.Hide(); } catch { }
}
}
public static void changeFolderViewState()
{
var winfo = new User32.WINDOWINFO();
User32.GetWindowInfo(folderview, ref winfo);
}
