[C#/COMMON] CTRL 키 비활성화/활성화하기

TestProject.zip

0.01MB

▶ MainForm.cs

using Microsoft.Win32;
using System;
using System.Windows.Forms;

namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : Form
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainForm()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainForm()
        {
            InitializeComponent();

            this.disableButton.Click += disableButton_Click;
            this.enableButton.Click  += enableButton_Click;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region CTRL 키 비활성화 버튼 클릭시 처리하기 - disableButton_Click(sender, e)

        /// <summary>
        /// CTRL 키 비활성화 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void disableButton_Click(object sender, EventArgs e)
        {
            const string keyName = "HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Control\\Keyboard Layout";

            try
            {
                Registry.SetValue
                (
                    keyName,
                    "Scancode Map",
                    new byte[]
                    {
                        0, 0, 0, 0, 0   , 0, 0, 0, 0x3 , 0   ,
                        0, 0, 0, 0, 0x1d, 0, 0, 0, 0x1d, 0xe0,
                        0, 0, 0, 0
                    },
                    RegistryValueKind.Binary
                );
            }
            catch(Exception exception)
            {
                MessageBox.Show(exception.Message);

                return;
            }

            MessageBox.Show("CTRL key is disabled!\nRestart computer to take effect!");
        }

        #endregion
        #region CTRL 키 활성화 버튼 클릭시 처리하기 - enableButton_Click(sender, e)

        /// <summary>
        /// CTRL 키 활성화 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void enableButton_Click(object sender, EventArgs e)
        {
            RegistryKey localMachineRegistryKey      = Registry.LocalMachine;
            RegistryKey systemRegistrykey            = localMachineRegistryKey.OpenSubKey("SYSTEM");
            RegistryKey currentControlSetRegistryKey = systemRegistrykey.OpenSubKey("CurrentControlSet");
            RegistryKey controlRegistryKey           = currentControlSetRegistryKey.OpenSubKey("Control");
            RegistryKey keyboardLayoutRegistryKey    = controlRegistryKey.OpenSubKey("Keyboard Layout", true);

            try
            {
                keyboardLayoutRegistryKey.DeleteValue("Scancode Map", true);
            }
            catch(Exception exception)
            {
                MessageBox.Show
                (
                    exception.Message + "\n" + "CTRL key has been enabled!\nYou don't need to enable it again."
                );

                return;
            }

            MessageBox.Show("CTRL key is enabled!\nRestart computer to take effect!");

            keyboardLayoutRegistryKey.Close();
        }

        #endregion
    }
}

---

※ 관리자 권한으로 실행하고 비활성화/활성화 후 시스템을 재부팅해야 적용된다.