ArcObject: Rotation Tool Issue

Hi All,

I am adding "Rotate Tool" in tool bar with "Start editing","Save Edits", "Stop Editing" and "Edit Tool". Can any one help me please.

Here is the scenorio

1. Start editing
2. After start editing "Edit tool" is enable but "Rotate Tool" is not enable.
3. Other thing working fine.

Thanks in advance.
Sajid