■ keybd_event API 함수를 사용해 SCROLL LOCK/NUM LOCK/CAPS LOCK 키를 토글하는 방법을 보여준다.
▶ Program.cs
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using System; using System.Runtime.InteropServices; namespace TestProject { /// <summary> /// 프로그램 /// </summary> class Program { //////////////////////////////////////////////////////////////////////////////////////////////////// Import ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region 키보드 이벤트 발생시키기 - keybd_event(virtualKey, scanCode, flag, extraInformationHandle) /// <summary> /// 키보드 이벤트 발생시키기 /// </summary> /// <param name="virtualKey">가상 키</param> /// <param name="scanCode">스캔 코드</param> /// <param name="flag">플래그</param> /// <param name="extraInformationHandle">부가 정보 핸들</param> [DllImport("user32")] private static extern void keybd_event(byte virtualKey, byte scanCode, uint flag, IntPtr extraInformationHandle); #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// KEYEVENTF_EXTENDEDKEY /// </summary> private const uint KEYEVENTF_EXTENDEDKEY = 0x01; /// <summary> /// KEYEVENTF_KEYUP /// </summary> private const uint KEYEVENTF_KEYUP = 0x02; /// <summary> /// VK_SCROLL /// </summary> private const byte VK_SCROLL = 0x91; /// <summary> /// VK_NUMLOCK /// </summary> private const byte VK_NUMLOCK = 0x90; /// <summary> /// VK_CAPITAL /// </summary> private const byte VK_CAPITAL = 0x14; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region 프로그램 시작하기 - Main() /// <summary> /// 프로그램 시작하기 /// </summary> private static void Main() { uint keyDown = KEYEVENTF_EXTENDEDKEY; uint keyUp = KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP; keybd_event(VK_NUMLOCK, (byte)0, keyDown, new IntPtr(0)); keybd_event(VK_NUMLOCK, (byte)0, keyUp , new IntPtr(0)); keybd_event(VK_CAPITAL, (byte)0, keyDown, new IntPtr(0)); keybd_event(VK_CAPITAL, (byte)0, keyUp , new IntPtr(0)); keybd_event(VK_SCROLL, (byte)0, keyDown, new IntPtr(0)); keybd_event(VK_SCROLL, (byte)0, keyUp , new IntPtr(0)); } #endregion } } |
