public Bitmap Clone(Rectangle rect, PixelFormat format)
{
if (rect.Width == 0 || rect.Height == 0)
{
throw new ArgumentException(SR.Format(SR.GdiplusInvalidRectangle, rect.ToString()));
}
IntPtr dstHandle = IntPtr.Zero;
int status = Gdip.GdipCloneBitmapAreaI(
rect.X,
rect.Y,
rect.Width,
rect.Height,
unchecked ((int)format),
new HandleRef(this, nativeImage),
out dstHandle);
if (status != Gdip.Ok || dstHandle == IntPtr.Zero)
{
throw Gdip.StatusException(status);
}
return(new Bitmap(dstHandle));
}