public static Rectangle GetExtendedFrameBounds(IntPtr windowHandle)
{
var rect = new WinApi.RECT();
if (DwmGetWindowAttribute(windowHandle, DWMWA_EXTENDED_FRAME_BOUNDS, ref rect, (UInt32)Marshal.SizeOf(typeof(WinApi.RECT))) != 0)
{
// fallback
WinApi.GetWindowRect(windowHandle, out rect);
}
return(new Rectangle(rect.left, rect.top, rect.right - rect.left + 1, rect.bottom - rect.top + 1));
}
private static Bitmap GetWindowBitmap(IntPtr handle)
{
WinApi.GetWindowRect(handle, out var rect);
var bounds = new Rectangle(rect.left, rect.top, rect.right - rect.left + 1, rect.bottom - rect.top + 1);
var bounds2 = DesktopWindowManager.GetExtendedFrameBounds(handle);
bounds = bounds2;
var bitmap = new Bitmap(bounds.Width, bounds.Height);
using (var graphics = Graphics.FromImage(bitmap))
{
graphics.CopyFromScreen(bounds.Left, bounds.Top, 0, 0, bitmap.Size, CopyPixelOperation.SourceCopy);
}
return(bitmap);
}
