Makes sure that all pending updates to the UI have been completed.
This may occasionally be necessary, since GtkUIManager updates the
UI in an idle function. A typical example where this function is
useful is to enforce that the menubar and toolbar have been added to
Since 2.4
Makes sure that all pending updates to the UI have been completed. This may occasionally be necessary, since GtkUIManager updates the UI in an idle function. A typical example where this function is useful is to enforce that the menubar and toolbar have been added to Since 2.4