Invoked just before tabViewItem in tabView is selected.
Original signature is '- (BOOL)tabView:(NSTabView *)tabView shouldSelectTabViewItem:(NSTabViewItem *)tabViewItem'
Available in Mac OS X v10.0 and later.

C# | Visual Basic | Visual C++ |
public event NSTabView..::..TabViewShouldSelectTabViewItemEventHandler TabViewShouldSelectTabViewItem
Public Event TabViewShouldSelectTabViewItem As NSTabView..::..TabViewShouldSelectTabViewItemEventHandler
public: event NSTabView..::..TabViewShouldSelectTabViewItemEventHandler^ TabViewShouldSelectTabViewItem { void add (NSTabView..::..TabViewShouldSelectTabViewItemEventHandler^ value); void remove (NSTabView..::..TabViewShouldSelectTabViewItemEventHandler^ value); }

YES if the tab view item should be selected, otherwise NO.

- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)