This action of insertion is possible only if the main graph
is modifiable, not a read-only one. This action of insertion is possible only if the main graph
is modifiable, not a read-only one.
To rename a node of a graph:
1. Right-click on the Title part of the node and select Rename option
2. In the standard dialog box enter a new name of your node and click OK button.
The title of your node will change.
