public Bitmap CaptureWindow(IntPtr handle)
{
var hdcSrc = User32.GetWindowDC(handle);
var windowRect = new User32.RECT();
User32.GetWindowRect(handle, ref windowRect);
var width = windowRect.right - windowRect.left;
var height = windowRect.bottom - windowRect.top;
var hdcDest = GDI32.CreateCompatibleDC(hdcSrc);
var hBitmap = GDI32.CreateCompatibleBitmap(hdcSrc, width, height);
var hOld = GDI32.SelectObject(hdcDest, hBitmap);
GDI32.BitBlt(hdcDest, 0, 0, width, height, hdcSrc, 0, 0, GDI32.SRCCOPY);
GDI32.SelectObject(hdcDest, hOld);
GDI32.DeleteDC(hdcDest);
User32.ReleaseDC(handle, hdcSrc);
var img = Image.FromHbitmap(hBitmap);
GDI32.DeleteObject(hBitmap);
return img;
}
public Point GetWindowLUPoint(IntPtr handle)
{
var rect = new User32.RECT();
User32.GetWindowRect(handle, ref rect);
return new Point(rect.left, rect.top);
}