ContextUtil.ContextId 属性

定义

命名空间:

System.EnterpriseServices

程序集:

System.EnterpriseServices.dll

获取当前上下文的 GUID。

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

public static Guid ContextId { get; }

static member ContextId : Guid

Public Shared ReadOnly Property ContextId As Guid

属性值

Guid

当前上下文的 GUID。

例外

COMException

没有可用的 COM+ 上下文。

示例

以下示例代码演示了此属性的用法。

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