0-based index of the tab that is about to be selected.
true
to switch to the tab, false
to stay at the
current tab.
Client side callback to execute on tab close. When the callback
returns false
, the tab is not closed. See also TabViewCfg.onTabClose.
0-based index of the tab that is about to be closed.
true
to close the tab, false
to keep the tab
open.
Client side callback to execute when a tab is shown. See also TabViewCfg.onTabShow.
0-based index of the tab that was shown.
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Client side callback to execute when a tab is clicked. If the callback returns
false
, the tab is not selected. See also TabViewCfg.onTabChange.