WorkflowApplicationEventArgs.InstanceId Property

The unique identifier of the workflow instance.

Namespace:  System.Activities
Assembly:  System.Activities (in System.Activities.dll)

public Guid InstanceId { get; }

Property Value

Type: System.Guid
A unique identifier.

The following code example inspects the WorkflowApplicationEventArgs passed into the Unloaded handler of a WorkflowApplication instance and displays the InstanceId of the workflow that was unloaded.

wfApp.Unloaded = delegate(WorkflowApplicationEventArgs e)
{
    Console.WriteLine("Workflow {0} unloaded.", e.InstanceId);
};

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4

.NET Framework Client Profile

Supported in: 4

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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