NavigationItem.VisibleChanging

Syntax

VisibleChanging: function (sender, args)

Parameters

sender. Event source.

args. Event information. Cancel - indicates if a checkbox for changing of tab visibility is selected or deselected: True - operation is cancelled, False (default) - operation is not cancelled.

Description

The VisibleChanging event occurs on changing tab visibility.

Example

The example of event use is given in description of the NavigationItem.VisibleChanged event.