Lock Diagram

The lock diagram feature lets you lock a diagram instantly, preventing modifying of existing content or adding of new diagram elements.

1. To lock a diagram, right-click on it and select Lock Diagram from the popup menu.
   
   
   
2. When a diagram is locked, its shapes will no longer react to user input like key or mouse actions, and hence the whole diagram become read-only.
   }}
   
   
3. The Point Eraser and Sweeper button are disabled in a locked diagram. Shape buttons, though still enabled, will no longer be able to create shapes on the locked diagram.
   
   
   
4. To unlock a diagram, right-click on it and deselect Lock Diagram from the popup menu.