internal void SelectSourceComponent()
{
_state = CommandState.SourceComponentSelection;
_InteractionManager.Stop();
_InteractionManager.Reset();
_InteractionManager.SelectEvents.SingleSelectEnabled = true;
_InteractionManager.SelectEvents.AddSelectionFilter(
Inventor.SelectionFilterEnum.kAssemblyLeafOccurrenceFilter);
_InteractionManager.Start("Select source component");
}