禁止使用命令提示符

实现效果:

　　

知识运用：
　　RegistryKey类的CreateSubKey和SetValue方法

实现代码：

        private void button1_Click(object sender, EventArgs e)
        {
            RegistryKey regMain;
            RegistryKey regChild;
            regMain = Registry.CurrentUser;
            regChild = regMain.CreateSubKey(@"SoftwarePoliciesMicrosoftWindowsSystem");
            regChild.SetValue("DisableCMD",1);
            regChild.Close();
            MessageBox.Show("禁止成功！");
        }
        private void button2_Click(object sender, EventArgs e)
        {
            RegistryKey regMain;
            RegistryKey regChild;
            regMain = Registry.CurrentUser;
            regChild = regMain.CreateSubKey(@"SoftwarePoliciesMicrosoftWindowsSystem");
            regChild.SetValue("DisableCMD", 0);
            regChild.Close();
            MessageBox.Show("禁止成功！");
        }