Indicator interface for the modify edge task.
|IEditTask||Provides access to a task that receives notification when the sketch is complete.|
IModifyTask is an indicator interface used to determine if a particular edit task is the Modify Edge task in the Editor. The preferred approach is to ask the edit task for its unique name using IEditTask::UniqueName. In the case of the Modify Edge task, its unique name is "TitusUI_ModifyEdgeTask".