固定任务栏

        private void button1_Click(object sender, EventArgs e)
        {
            Registry.SetValue(@"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer","LockTaskBar",1);
        }
        private void button2_Click(object sender, EventArgs e)
        {
            Registry.SetValue(@"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer", "LockTaskBar", 0);
        }