Starts the operation, caching the existing sketch. Call this before modifying the sketch.
[Visual Basic .NET] Public Sub Start ( _ ByVal Editor As IEditor _ )
[C#] public void Start ( IEditor Editor );
Product Availability
Available with ArcGIS Desktop.
Remarks
All modifications made to an edit sketch should be made between calls to Start and Finish . Start caches the edit sketch's geometry in case the operation is undone; when this occurs, the modified geometry is replaced by the cached geometry.