plugin.refreshOutline
The 'refreshOutline' function indicates myBase main program to refresh the outline tree for the database.
- Prototype: plugin.refreshOutline(iDbPos, sSsgPath);
 - Parameters:
- iDbPos: a position number (0-based) of the database on the tab control; -1 for the current database.
 - sSsgPath: path to a specified info item, or empty string for the current info item.
 
 - Return Value: 0 on success, or -1 on failed.
 - Example: plugin.refreshOutline(-1, '');