■ 윈도우즈 화면 잠금 여부를 구하는 방법을 보여준다.
▶ WTS_CONNECTSTATE_CLASS.cs
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namespace TestProject { /// <summary> /// WTS 연결 상태 클래스 /// </summary> public enum WTS_CONNECTSTATE_CLASS { /// <summary> /// WTSActive /// </summary> WTSActive, /// <summary> /// WTSConnected /// </summary> WTSConnected, /// <summary> /// WTSConnectQuery /// </summary> WTSConnectQuery, /// <summary> /// WTSShadow /// </summary> WTSShadow, /// <summary> /// WTSDisconnected /// </summary> WTSDisconnected, /// <summary> /// WTSIdle /// </summary> WTSIdle, /// <summary> /// WTSListen /// </summary> WTSListen, /// <summary> /// WTSReset /// </summary> WTSReset, /// <summary> /// WTSDown /// </summary> WTSDown, /// <summary> /// WTSInit /// </summary> WTSInit } } |
▶ WTS_INFO_CLASS.cs
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namespace TestProject { /// <summary> /// WTS 정보 클래스 /// </summary> public enum WTS_INFO_CLASS { /// <summary> /// WTSInitialProgram /// </summary> WTSInitialProgram, /// <summary> /// WTSApplicationName /// </summary> WTSApplicationName, /// <summary> /// WTSWorkingDirectory /// </summary> WTSWorkingDirectory, /// <summary> /// WTSOEMID /// </summary> WTSOEMID, /// <summary> /// WTSSessionID /// </summary> WTSSessionID, /// <summary> /// WTSUserName /// </summary> WTSUserName, /// <summary> /// WTSWinStationName /// </summary> WTSWinStationName, /// <summary> /// WTSDomainName /// </summary> WTSDomainName, /// <summary> /// WTSConnectState /// </summary> WTSConnectState, /// <summary> /// WTSClientBuildNumber /// </summary> WTSClientBuildNumber, /// <summary> /// WTSClientName /// </summary> WTSClientName, /// <summary> /// WTSClientDirectory /// </summary> WTSClientDirectory, /// <summary> /// WTSClientProductID /// </summary> WTSClientProductID, /// <summary> /// WTSClientHardwareID /// </summary> WTSClientHardwareID, /// <summary> /// WTSClientAddress /// </summary> WTSClientAddress, /// <summary> /// WTSClientDisplay /// </summary> WTSClientDisplay, /// <summary> /// WTSClientProtocolType /// </summary> WTSClientProtocolType, /// <summary> /// WTSIdleTime /// </summary> WTSIdleTime, /// <summary> /// WTSLogonTime /// </summary> WTSLogonTime, /// <summary> /// WTSIncomingBytes /// </summary> WTSIncomingBytes, /// <summary> /// WTSOutgoingBytes /// </summary> WTSOutgoingBytes, /// <summary> /// WTSIncomingFrames /// </summary> WTSIncomingFrames, /// <summary> /// WTSOutgoingFrames /// </summary> WTSOutgoingFrames, /// <summary> /// WTSClientInfo /// </summary> WTSClientInfo, /// <summary> /// WTSSessionInfo /// </summary> WTSSessionInfo, /// <summary> /// WTSSessionInfoEx /// </summary> WTSSessionInfoEx, /// <summary> /// WTSConfigInfo /// </summary> WTSConfigInfo, /// <summary> /// WTSValidationInfo /// </summary> WTSValidationInfo, /// <summary> /// WTSSessionAddressV4 /// </summary> WTSSessionAddressV4, /// <summary> /// WTSIsRemoteSession /// </summary> WTSIsRemoteSession } } |
▶ LockStatus.cs
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namespace TestProject { /// <summary> /// 잠금 상태 /// </summary> public enum LockStatus { /// <summary> /// 잠금 /// </summary> Locked, /// <summary> /// 잠금 해제 /// </summary> NotLocked, /// <summary> /// 알 수 없음 /// </summary> Unknown } } |
▶ LARGE_INTEGER.cs
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using System.Runtime.InteropServices; namespace TestProject { /// <summary> /// 배정도 정수 /// </summary> [StructLayout(LayoutKind.Explicit)] public struct LARGE_INTEGER { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Public #region Field /// <summary> /// 하위 파트 /// </summary> [FieldOffset(0)] public uint LowPart; /// <summary> /// 상위 파트 /// </summary> [FieldOffset(4)] public int HighPart; /// <summary> /// 쿼드 파트 /// </summary> [FieldOffset(0)] public long QuadPart; #endregion } } |
▶ WTSINFOEX_LEVEL1_W.cs
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using System.Runtime.InteropServices; namespace TestProject { /// <summary> /// WTS 정보 확장 레벨 1 (유니코드) /// </summary> [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)] public struct WTSINFOEX_LEVEL1_W { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Public #region Field /// <summary> /// 세션 ID /// </summary> public int SessionID; /// <summary> /// 세션 상태 /// </summary> public WTS_CONNECTSTATE_CLASS SessionState; /// <summary> /// 세션 플래그 /// </summary> public int SessionFlag; /// <summary> /// WIN 스테이션명 /// </summary> [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 33)] public string WinStationName; /// <summary> /// 사용자명 /// </summary> [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 21)] public string UserName; /// <summary> /// 도메인명 /// </summary> [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 18)] public string DomainName; /// <summary> /// 로그온 시간 /// </summary> public LARGE_INTEGER LogonTime; /// <summary> /// 연결 시간 /// </summary> public LARGE_INTEGER ConnectTime; /// <summary> /// 연결 중단 시간 /// </summary> public LARGE_INTEGER DisconnectTime; /// <summary> /// 최근 입력 시간 /// </summary> public LARGE_INTEGER LastInputTime; /// <summary> /// 현재 시간 /// </summary> public LARGE_INTEGER CurrentTime; /// <summary> /// 수신 바이트 카운트 /// </summary> public uint IncomingByteCount; /// <summary> /// 송신 바이트 카운트 /// </summary> public uint OutgoingByteCount; /// <summary> /// 수신 프레임 카운트 /// </summary> public uint IncomingFrameCount; /// <summary> /// 송신 프레임 카운트 /// </summary> public uint OutgoingFrameCount; /// <summary> /// 수신 압축 바이트 카운트 /// </summary> public uint IncomingCompressedByteCount; /// <summary> /// 송신 압축 바이트 카운트 /// </summary> public uint OutgoingCompressedByteCount; #endregion } } |
▶ WTSINFOEX_LEVEL_W.cs
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using System.Runtime.InteropServices; namespace TestProject { /// <summary> /// WTS 정보 확장 레벨 (유니코드) /// </summary> [StructLayout(LayoutKind.Sequential)] public struct WTSINFOEX_LEVEL_W { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Public #region Field /// <summary> /// WTS 정보 확장 레벨 1 /// </summary> public WTSINFOEX_LEVEL1_W WTSInfoExLevel1; #endregion } } |
▶ WTSINFOEXW.cs
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using System.Runtime.InteropServices; namespace TestProject { /// <summary> /// WTS 정보 확장 (유니코드) /// </summary> [StructLayout(LayoutKind.Sequential)] public struct WTSINFOEXW { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Public #region Field /// <summary> /// 레벨 /// </summary> public int Level; /// <summary> /// 데이터 /// </summary> public WTSINFOEX_LEVEL_W Data; #endregion } } |
▶ LockScreenHelper.cs
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using System; using System.Runtime.InteropServices; namespace TestProject { /// <summary> /// 잠금 화면 헬퍼 /// </summary> public static class LockScreenHelper { //////////////////////////////////////////////////////////////////////////////////////////////////// Import ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region WTS 활성 콘솔 세션 ID 구하기 - WTSGetActiveConsoleSessionId() /// <summary> /// WTS 활성 콘솔 세션 ID 구하기 /// </summary> /// <returns>처리 결과</returns> [DllImport("kernel32", CharSet = CharSet.Unicode)] private static extern uint WTSGetActiveConsoleSessionId(); #endregion #region WTS 세션 정보 질의하기 - WTSQuerySessionInformationW(serverHandle, sessionID, wtsInfoClass, bufferHandle, byteCountReturned) /// <summary> /// WTS 세션 정보 질의하기 /// </summary> /// <param name="serverHandle">서버 핸들</param> /// <param name="sessionID">세션 ID</param> /// <param name="wtsInfoClass">WTS 정보 클래스</param> /// <param name="bufferHandle">버퍼 핸들</param> /// <param name="byteCountReturned">반환 바이트 카운트</param> /// <returns>처리 결과</returns> [DllImport("wtsapi32", CharSet = CharSet.Unicode)] private static extern bool WTSQuerySessionInformationW ( IntPtr serverHandle, uint sessionID, WTS_INFO_CLASS wtsInfoClass, ref IntPtr bufferHandle, ref uint byteCountReturned ); #endregion #region WTS 메모리 해제하기 - WTSFreeMemory(memoryHandle) /// <summary> /// WTS 메모리 해제하기 /// </summary> /// <param name="memoryHandle">메모리 핸들</param> [DllImport("wtsapi32", CharSet = CharSet.Unicode)] private static extern void WTSFreeMemory(IntPtr memoryHandle); #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region 잠금 여부 구하기 - IsLocked() /// <summary> /// 잠금 여부 구하기 /// </summary> /// <returns>잠금 여부</returns> public static LockStatus IsLocked() { uint sessionID = WTSGetActiveConsoleSessionId(); uint byteCountReturned = 0; int flag = 0; IntPtr bufferHandle = IntPtr.Zero; WTSQuerySessionInformationW(IntPtr.Zero, sessionID, WTS_INFO_CLASS.WTSSessionInfoEx, ref bufferHandle, ref byteCountReturned); WTSINFOEXW info = (WTSINFOEXW)Marshal.PtrToStructure(bufferHandle, typeof(WTSINFOEXW)); if(info.Level == 1) { flag = info.Data.WTSInfoExLevel1.SessionFlag; } switch(flag) { case 0 : return LockStatus.Locked; case 1 : return LockStatus.NotLocked; default : return LockStatus.Unknown; } } #endregion } } |
▶ Program.cs
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using System; using System.Threading; namespace TestProject { /// <summary> /// 프로그램 /// </summary> class Program { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region 프로그램 시작하기 - Main() /// <summary> /// 프로그램 시작하기 /// </summary> private static void Main() { while(true) { Console.WriteLine(LockScreenHelper.IsLocked()); Thread.Sleep(1000); } } #endregion } } |
