ContextUtil.ContextId 屬性

定義

命名空間:

System.EnterpriseServices

組件:

System.EnterpriseServices.dll

取得目前內容的 GUID。

public:
 static property Guid ContextId { Guid get(); };

public static Guid ContextId { get; }

static member ContextId : Guid

Public Shared ReadOnly Property ContextId As Guid

屬性值

Guid

目前內容的 GUID。

例外狀況

COMException

沒有 COM+ 內容可供使用。

範例

下列範例程式代碼示範如何使用這個屬性。

protected:
   virtual void Activate() override
   {
      MessageBox::Show( String::Format( "Now entering...\nApplication: {0}\nInstance: {1}\nContext: {2}\n", ContextUtil::ApplicationId.ToString(), ContextUtil::ApplicationInstanceId.ToString(), ContextUtil::ContextId.ToString() ) );
   }

protected override void Activate()
{
    MessageBox.Show( String.Format("Now entering...\nApplication: {0}\nInstance: {1}\nContext: {2}\n",
                                   ContextUtil.ApplicationId.ToString(), ContextUtil.ApplicationInstanceId.ToString(),
                                   ContextUtil.ContextId.ToString() ) );
}

Protected Overrides Sub Activate() 
    MessageBox.Show(String.Format("Now entering..." + vbLf + "Application: {0}" + vbLf + "Instance: {1}" + vbLf + "Context: {2}" + vbLf, ContextUtil.ApplicationId.ToString(), ContextUtil.ApplicationInstanceId.ToString(), ContextUtil.ContextId.ToString()))

End Sub