I've got a map with several shapefiles. Now I'm editing one, let's call it MyPolygons, and I want to set it to snap to the vertices of MyPolygons. But the Snapping Options dialog won't list MyPolygons. What's wrong here??
The weird thing is: I've got another layer in my TOC called Boundaries that also points to MyPolygons as its data source. I can snap to Boundaries.
Copying MyPolygons to a new mxd won't help the situation.
MyPolygons was symbolized using a .lyr-file whose source I had to adjust to make it work again. Could that be part of the problem?
I'm on ArcView 9.3 an Windows XP.