Windows任务管理连接用户登录信息代码,CSharp代码库,德仔网

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【CSharp】 Windows任务管理连接用户登录信息
作者:stone_w / 发布于2013/11/8/ 883

	代码

	using System;

	//---引用
	using System.Runtime.InteropServices;
	using System.Text;

	/// <summary>
	/// Windows 任务管理器登录用户信息
	/// author:Stone_W
	/// date:2011.1.14
	/// </summary>
	public class ComputerLoginUserInfo
	{
	 #region 本机连接用户信息API封装
	 public class TSControl
	 {
	 [DllImport("wtsapi32", CharSet = CharSet.Auto, SetLastError = true)]
	 private static extern bool WTSEnumerateSessions(int hServer, int Reserved,
	 int Version, ref long ppSessionInfo, ref int pCount);
	 [DllImport("wtsapi32.dll")]
	 public static extern void WTSFreeMemory(System.IntPtr pMemory);
	 [DllImport("wtsapi32.dll")]
	 public static extern bool WTSLogoffSession(int hServer, long SessionId, bool bWait);
	 [DllImport("Wtsapi32.dll")]
	 public static extern bool WTSQuerySessionInformation(
	 System.IntPtr hServer, int sessionId, WTSInfoClass wtsInfoClass,
	 out StringBuilder ppBuffer, out int pBytesReturned);
	 public enum WTSInfoClass
	 {
	 WTSInitialProgram,
	 WTSApplicationName,
	 WTSWorkingDirectory,
	 WTSOEMId,
	 WTSSessionId,
	 WTSUserName,
	 WTSWinStationName,
	 WTSDomainName,
	 WTSConnectState,
	 WTSClientBuildNumber,
	 WTSClientName,
	 WTSClientDirectory,
	 WTSClientProductId,
	 WTSClientHardwareId,
	 WTSClientAddress,
	 WTSClientDisplay,
	 WTSClientProtocolType
	 }
	 public enum WTS_CONNECTSTATE_CLASS
	 {
	 WTSActive,
	 WTSConnected,
	 WTSConnectQuery,
	 WTSShadow,
	 WTSDisconnected,
	 WTSIdle,
	 WTSListen,
	 WTSReset,
	 WTSDown,
	 WTSInit,
	 }

	 public struct WTS_SESSION_INFO
	 {
	 public int SessionID;
	 [MarshalAs(UnmanagedType.LPTStr)]
	 public string pWinStationName;
	 public WTS_CONNECTSTATE_CLASS state;
	 }

	 public static WTS_SESSION_INFO[] SessionEnumeration()
	 {
	 //Set handle of terminal server as the current terminal server
	 int hServer = 0;
	 bool RetVal;
	 long lpBuffer = 0;
	 int Count = 0;
	 long p;
	 WTS_SESSION_INFO Session_Info = new WTS_SESSION_INFO();
	 WTS_SESSION_INFO[] arrSessionInfo;
	 RetVal = WTSEnumerateSessions(hServer, 0, 1, ref lpBuffer, ref Count);
	 arrSessionInfo = new WTS_SESSION_INFO[0];
	 if (RetVal)
	 {
	 arrSessionInfo = new WTS_SESSION_INFO[Count];
	 int i;
	 p = lpBuffer;
	 for (i = 0; i < Count; i++)
	 {
	 arrSessionInfo[i] = (WTS_SESSION_INFO)Marshal.PtrToStructure(new IntPtr(p),
	 Session_Info.GetType());
	 p += Marshal.SizeOf(Session_Info.GetType());
	 }
	 WTSFreeMemory(new IntPtr(lpBuffer));
	 }
	 else
	 {
	 //Insert Error Reaction Here
	 }
	 return arrSessionInfo;
	 }
	 }
	 #endregion

	 public System.Collections.Generic.List<ComputerLoginUserInfoModel> ComputerLoginUserInfoList;
	 public ComputerLoginUserInfo()
	 {
	 #region 查询代码
	 TSControl.WTS_SESSION_INFO[] pSessionInfo = TSControl.SessionEnumeration();
	 ComputerLoginUserInfoModel cum = null;
	 ComputerLoginUserInfoList = new System.Collections.Generic.List<ComputerLoginUserInfoModel>();
	 for (int i = 0; i < pSessionInfo.Length; i++)
	 {
	 if ("RDP-Tcp" != pSessionInfo[i].pWinStationName)
	 {
	 try
	 {
	 int count = 0;
	 IntPtr buffer = IntPtr.Zero;
	 StringBuilder userName = new StringBuilder(); // 用户名
	 StringBuilder clientUser = new StringBuilder(); // 客户端名
	 StringBuilder stateType = new StringBuilder(); // 会话类型

	 bool userNameBool = TSControl.WTSQuerySessionInformation(IntPtr.Zero,
	 pSessionInfo[i].SessionID, TSControl.WTSInfoClass.WTSUserName,
	 out userName, out count);
	 bool clientUserBool = TSControl.WTSQuerySessionInformation(IntPtr.Zero,
	 pSessionInfo[i].SessionID, TSControl.WTSInfoClass.WTSClientName,
	 out clientUser, out count);
	 bool stateTypeBool = TSControl.WTSQuerySessionInformation(IntPtr.Zero,
	 pSessionInfo[i].SessionID, TSControl.WTSInfoClass.WTSWinStationName,
	 out stateType, out count);
	 if (userNameBool && clientUserBool && stateTypeBool)
	 {
	 cum = new ComputerLoginUserInfoModel();
	 cum.UserName = userName.ToString();
	 cum.ClientUserName = clientUser.ToString();
	 cum.SessionType = stateType.ToString();
	 }
	 ComputerLoginUserInfoList.Add(cum);
	 }
	 catch (Exception ex) { }
	 }
	 }
	 #endregion
	 }

	}
	public class ComputerLoginUserInfoModel
	{
	 #region 用户信息字段
	 private string userName;
	 private string clientUserName;
	 private string sessionType;

	 /// <summary>
	 /// 会话类型
	 /// </summary>
	 public string SessionType
	 {
	 get { return sessionType; }
	 set { sessionType = value; }
	 }
	 /// <summary>
	 /// 客户端名
	 /// </summary>
	 public string ClientUserName
	 {
	 get { return clientUserName; }
	 set { clientUserName = value; }
	 }
	 /// <summary>
	 /// 登录用户名
	 /// </summary>
	 public string UserName
	 {
	 get { return userName; }
	 set { userName = value; }
	 }
	 #endregion
	}
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