SessionChangeDescription 結構

定義

命名空間:
System.ServiceProcess
組件:
System.ServiceProcess.ServiceController.dll
組件:
System.ServiceProcess.dll
套件:
System.ServiceProcess.ServiceController v11.0.0-preview.4.26230.115
來源:
SessionChangeDescription.cs
來源:
SessionChangeDescription.cs
來源:
SessionChangeDescription.cs
來源:
SessionChangeDescription.cs

識別終端機服務會話變更的原因。

public value class SessionChangeDescription : IEquatable<System::ServiceProcess::SessionChangeDescription>
public value class SessionChangeDescription
public readonly struct SessionChangeDescription : IEquatable<System.ServiceProcess.SessionChangeDescription>
public struct SessionChangeDescription
public readonly struct SessionChangeDescription
type SessionChangeDescription = struct
Public Structure SessionChangeDescription
Implements IEquatable(Of SessionChangeDescription)
Public Structure SessionChangeDescription
繼承
Object
ValueType
SessionChangeDescription
實作
IEquatable<SessionChangeDescription>

範例

以下程式碼範例展示了該類別在由 衍生SessionChangeDescription出的類別中實作OnSessionChange中該類別的使用ServiceBase情況。 此程式碼範例是本類別更大範例 ServiceBase 的一部分。

        // Handle a session change notice
        protected override void OnSessionChange(SessionChangeDescription changeDescription)
        {
#if LOGEVENTS
            EventLog.WriteEntry("SimpleService.OnSessionChange", DateTime.Now.ToLongTimeString() +
                " - Session change notice received: " +
                changeDescription.Reason.ToString() + "  Session ID: " +
                changeDescription.SessionId.ToString());
#endif

            switch (changeDescription.Reason)
            {
                case SessionChangeReason.SessionLogon:
                    userCount += 1;
#if LOGEVENTS
                    EventLog.WriteEntry("SimpleService.OnSessionChange",
                        DateTime.Now.ToLongTimeString() +
                        " SessionLogon, total users: " +
                        userCount.ToString());
#endif
                    break;
                case SessionChangeReason.SessionLogoff:

                    userCount -= 1;
#if LOGEVENTS
                    EventLog.WriteEntry("SimpleService.OnSessionChange",
                        DateTime.Now.ToLongTimeString() +
                        " SessionLogoff, total users: " +
                        userCount.ToString());
#endif
                    break;
                case SessionChangeReason.RemoteConnect:
                    userCount += 1;
#if LOGEVENTS
                    EventLog.WriteEntry("SimpleService.OnSessionChange",
                        DateTime.Now.ToLongTimeString() +
                        " RemoteConnect, total users: " +
                        userCount.ToString());
#endif
                    break;
                case SessionChangeReason.RemoteDisconnect:
                    userCount -= 1;
#if LOGEVENTS
                    EventLog.WriteEntry("SimpleService.OnSessionChange",
                        DateTime.Now.ToLongTimeString() +
                        " RemoteDisconnect, total users: " +
                        userCount.ToString());
#endif
                    break;
                case SessionChangeReason.SessionLock:
#if LOGEVENTS
                    EventLog.WriteEntry("SimpleService.OnSessionChange",
                        DateTime.Now.ToLongTimeString() +
                        " SessionLock");
#endif
                    break;
                case SessionChangeReason.SessionUnlock:
#if LOGEVENTS
                    EventLog.WriteEntry("SimpleService.OnSessionChange",
                        DateTime.Now.ToLongTimeString() +
                        " SessionUnlock");
#endif
                    break;
                default:
                    break;
            }
        }

    ' Handle a session change notice
    Protected Overrides Sub OnSessionChange(ByVal changeDescription As SessionChangeDescription)
#If LOGEVENTS Then
        System.Diagnostics.EventLog.WriteEntry("SimpleService.OnSessionChange", DateTime.Now.ToLongTimeString() + " - Session change notice received: " + changeDescription.Reason.ToString() + "  Session ID: " + changeDescription.SessionId.ToString())
#End If

        Select Case changeDescription.Reason
            Case SessionChangeReason.SessionLogon
                userCount += 1
#If LOGEVENTS Then
                System.Diagnostics.EventLog.WriteEntry("SimpleService.OnSessionChange", DateTime.Now.ToLongTimeString() + " SessionLogon, total users: " + userCount.ToString())
#End If
            Case SessionChangeReason.SessionLogoff

                userCount -= 1
#If LOGEVENTS Then
                System.Diagnostics.EventLog.WriteEntry("SimpleService.OnSessionChange", DateTime.Now.ToLongTimeString() + " SessionLogoff, total users: " + userCount.ToString())
#End If
            Case SessionChangeReason.RemoteConnect
                userCount += 1
#If LOGEVENTS Then
                System.Diagnostics.EventLog.WriteEntry("SimpleService.OnSessionChange", DateTime.Now.ToLongTimeString() + " RemoteConnect, total users: " + userCount.ToString())
#End If
            Case SessionChangeReason.RemoteDisconnect
                userCount -= 1
#If LOGEVENTS Then
                System.Diagnostics.EventLog.WriteEntry("SimpleService.OnSessionChange", DateTime.Now.ToLongTimeString() + " RemoteDisconnect, total users: " + userCount.ToString())
#End If
            Case SessionChangeReason.SessionLock
#If LOGEVENTS Then
                System.Diagnostics.EventLog.WriteEntry("SimpleService.OnSessionChange", DateTime.Now.ToLongTimeString() + " SessionLock")
#End If
            Case SessionChangeReason.SessionUnlock
#If LOGEVENTS Then
                System.Diagnostics.EventLog.WriteEntry("SimpleService.OnSessionChange", DateTime.Now.ToLongTimeString() + " SessionUnlock")
#End If
            Case Else
        End Select

    End Sub

屬性

名稱 Description
Reason

他明白了會場變動的原因。
SessionId

取得相關會話的 session ID。

方法

名稱 Description
Equals(Object)

判斷指定的物件是否等於目前的會話變更描述。
Equals(SessionChangeDescription)

判斷指定的會話變更描述是否等於目前的會話變更描述。
GetHashCode()

會取得目前會話變更描述的雜湊碼。

操作員

名稱 Description
Equality(SessionChangeDescription, SessionChangeDescription)

回傳一個值，表示兩個 SessionChangeDescription 結構是否相等。
Inequality(SessionChangeDescription, SessionChangeDescription)

回傳一個值，表示兩個 SessionChangeDescription 結構是否不相等。

適用於