Locking items in a diagram or outline
You can lock symbols in a diagram or topics in an outline so they cannot be inadvertently moved.
1.Select one or more topics in your outline.
2.From the Outline menu, choose Lock Item.
A lock icon appears in the selection control column.
1.Select one or more symbols in your diagram.
2.From the Symbol menu, choose Lock Item.
A lock icon appears on the four corners of the symbol when it is selected.
Note: Locks set in Outline View are maintained in Diagram View, and locks set in Diagram View are maintained in Outline View.