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ContextUtil.ContextId Property

Gets a GUID for the current context.

Namespace: System.EnterpriseServices
Assembly: System.EnterpriseServices (in system.enterpriseservices.dll)

public static Guid ContextId { get; }
/** @property */
public static Guid get_ContextId ()

public static function get ContextId () : Guid

Property Value

The GUID for the current context.

Exception typeCondition


There is no COM+ context available.


The platform is not Windows 2000 or later.

The following example code demonstrates the use of this attribute.

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 void Activate()
    MessageBox.Show(String.Format("Now entering...\nApplication: {0}\n"
        + "Instance: {1}\nContext: {2}\n",
} //Activate

  • Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see .

Windows 98, Windows 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0, 1.1, 1.0