C# 利用API操作鼠标 MouseAPI

    public class MouseAPI
    {
        [DllImport("user32.dll")]
        static extern bool SetCursorPos(int X, int Y);
        [DllImport("user32.dll")]
        static extern void Mouse_event(MouseEventFlag flags, int dx, int dy, uint data, UIntPtr extraInfo);
        [Flags]
        public enum MouseEventFlag : uint
        {
            Move = 0x0001,
            LeftDown = 0x0002,
            LeftUp = 0x0004,
            RightDown = 0x0008,
            RightUp = 0x0010,
            MiddleDown = 0x0020,
            MiddleUp = 0x0040,
            XDown = 0x0080,
            XUp = 0x0100,
            Wheel = 0x0800,
            VirtualDesk = 0x4000,
            Absolute = 0x8000
        }
        public void SetCursorPosition(int x, int y)
        {
            SetCursorPos(x, y);
        }
        public void MouseEvent(MouseEventFlag flag)
        {
            Mouse_event(flag, 0, 0, (uint)0, (UIntPtr)0);
        }
    }