ActivityExecutionContext.ExecuteActivity Method (Activity)
Called by a composite activity to schedule the execution of a child activity. The workflow runtime disallows execution of a child activity that is not in the initialized state.
Assembly: System.Workflow.ComponentModel (in System.Workflow.ComponentModel.dll)
activity is a null reference (Nothing in Visual Basic).
The status is neither initialized nor Closed.
The ActivityExecutionContext has been disposed.
Available since 3.0