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WorkflowHostingEndpoint::OnGetInstanceId Method (array<Object^>^, OperationContext^)
.NET Framework (current version)
Override to return the instance ID for the workflow instance being created.
Assembly: System.ServiceModel.Activities (in System.ServiceModel.Activities.dll)
public protected: virtual Guid OnGetInstanceId( array<Object^>^ inputs, OperationContext^ operationContext )
Parameters
- inputs
-
Type:
array<System::Object^>^
The inputs to the service operation.
- operationContext
-
Type:
System.ServiceModel::OperationContext^
The operation context of the service operation.
Return null to indicate that an instance ID should be automatically generated.
The following example shows how to implement the OnGetInstanceId method.
protected override Guid OnGetInstanceId(object[] inputs, OperationContext operationContext) { //Create was called by client if (operationContext.IncomingMessageHeaders.Action.EndsWith("Create")) { return Guid.Empty; } //CreateWithInstanceId was called by client else if (operationContext.IncomingMessageHeaders.Action.EndsWith("CreateWithInstanceId")) { return (Guid)inputs[1]; } else { throw new InvalidOperationException("Invalid Action: " + operationContext.IncomingMessageHeaders.Action); } }
.NET Framework
Available since 4.0
Available since 4.0
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