Ui automation testing right click menus

public static class Mouse
    {

        private const UInt32 MouseEventLeftDown = 0x0002;
        private const UInt32 MouseEventLeftUp = 0x0004;
        private const UInt32 MouseEventRightDown = 0x0008;
        private const UInt32 MouseEventRightUp = 0x00010;


        [DllImport("user32.dll")]

        private static extern void mouse_event(UInt32 dwFlags, UInt32 dx, UInt32 dy, UInt32 dwData, IntPtr dwExtraInfo);



        public static void Click()
        {
            mouse_event(MouseEventLeftDown, 0, 0, 0, IntPtr.Zero);
            mouse_event(MouseEventLeftUp, 0, 0, 0, IntPtr.Zero);
            Thread.Sleep(100);
        }

        public static void RightClick()
        {
            mouse_event(MouseEventRightDown, 0, 0, 0, IntPtr.Zero);
            mouse_event(MouseEventRightUp, 0, 0, 0, IntPtr.Zero);
            Thread.Sleep(100);

        }