onBeforeTabSelected(SourcesTabEvents sender, int tabIndex) Fired just before a tab is selected.
Parameters: sender - the TabBar or TabPanel whose tab wasselected. Parameters: tabIndex - the index of the tab about to be selected false to disallow the selection.
Fired just before a tab is selected.
Parameters: sender - the TabBar or TabPanel whose tab wasselected. Parameters: tabIndex - the index of the tab about to be selected false to disallow the selection. If any listenerreturns false, then the selection will be disallowed.
Fired when a tab is selected.
Parameters: sender - the TabBar or TabPanel whose tab was selected Parameters: tabIndex - the index of the tab that was selected