public static Image CaptureWindow(IntPtr handle)
{
var windowDC = User32.GetWindowDC(handle);
var rect = new RECT();
User32.GetWindowRect(handle, ref rect);
var nWidth = rect.right - rect.left;
var nHeight = rect.bottom - rect.top;
var hDC = CreateCompatibleDC(windowDC);
var hObject = CreateCompatibleBitmap(windowDC, nWidth, nHeight);
var ptr4 = SelectObject(hDC, hObject);
BitBlt(hDC, 0, 0, nWidth, nHeight, windowDC, 0, 0, 0xcc0020);
SelectObject(hDC, ptr4);
DeleteDC(hDC);
User32.ReleaseDC(handle, windowDC);
Image image = Image.FromHbitmap(hObject);
DeleteObject(hObject);
return image;
}
public static extern IntPtr GetWindowRect(IntPtr hWnd, ref RECT rect);