C#顯示和隱藏鼠標

   [DllImport("user32", EntryPoint = "ShowCursor")]
        public extern static bool ShowCursor(bool show);
        private void button1_Click(object sender, EventArgs e)
        {
            ShowCursor(false);//隱藏鼠標
        }

        private void button2_Click(object sender, EventArgs e)
        {
            ShowCursor(true);//顯示鼠標
        }