public BufferedPaintHandle(IntPtr hwnd, IntPtr hdcTarget, ref Rectangle rcTarget,
ref BufferedPaintAnimationParams pAnimationParams, out IntPtr phdcFrom, out IntPtr phdcTo) : base(IntPtr.Zero, true)
{
RECT rc = rcTarget;
base.SetHandle(NativeMethods.BeginBufferedAnimation(hwnd, hdcTarget, ref rc, NativeMethods.BufferedPaintBufferFormat.CompatibleBitmap, IntPtr.Zero, ref pAnimationParams, out phdcFrom, out phdcTo));
}
