如何显示和隐藏任务栏

   public partial class Form1 : Form

    {

        private const int SW_HIDE = 0;

        private const int SW_SHOW=5;

        public Form1()

        {

            InitializeComponent();

        }

        [DllImport("user32.dll")]

        private static extern int FindWindow(string ClassName, string WindowName);

        [DllImport("user32.dll")]

        private static extern int ShowWindow(int handle, int cmdShow);

        private void butShow_Click(object sender, EventArgs e)

        {

            ShowWindow(FindWindow("Shell_TrayWnd", null), SW_SHOW);

        }

        private void butHide_Click(object sender, EventArgs e)

        {

            ShowWindow(FindWindow("Shell_TrayWnd", null), SW_HIDE);

        }

        

    }