C# 游动小金鱼 动态屏保

C#游动屏保小金鱼， [DllImport("gdi32.dll", ExactSpelling = true, SetLastError = true)] public static extern IntPtr CreateCompatibleDC(IntPtr hDC); [DllImport("user32.dll", ExactSpelling = true, SetLastError = true)] public static extern IntPtr GetDC(IntPtr hWnd); [DllImport("gdi32.dll", ExactSpelling = true)] public static extern IntPtr SelectObject(IntPtr hDC, IntPtr hObj); [DllImport("user32.dll", ExactSpelling = true)] public static extern int ReleaseDC(IntPtr hWnd, IntPtr hDC); [DllImport("gdi32.dll", ExactSpelling = true, SetLastError = true)] public static extern int DeleteDC(IntPtr hDC); [DllImport("gdi32.dll", ExactSpelling = true, SetLastError = true)] public static extern int DeleteObject(IntPtr hObj); [DllImport("user32.dll", ExactSpelling = true, SetLastError = true)] public static extern int UpdateLayeredWindow(IntPtr hwnd, IntPtr hdcDst, ref Point pptDst, ref Size psize, IntPtr hdcSrc, ref Point pptSrc, Int32 crKey, ref BLENDFUNCTION pblend, Int32 dwFlags);