GUIBaseContext :: doAfterSaveData - Post-event handler for Save action

The handler is a reaction on the DEV_Saved event, which is generated when calling the Save action. When the event is fired, changes have already been stored to the database or transaction. The event handler can be used in a save-transaction dialog in order to commit changes made and start a new transaction.

The handler should return one of the following values:

• -1 (not handled) - the event handler will be removed from the handler list and is not called anymore.
• 1 (error) - Returning an error has no effect for post-events.
• 0 (ok) - Event handler terminated successfully.