Notifies the delegate the the drawer will close.
Original signature is '- (void)drawerWillClose:(NSNotification *)notification'
Available in Mac OS X v10.0 and later.

C# | Visual Basic | Visual C++ |
public event NSDrawer..::..DrawerWillCloseEventHandler DrawerWillClose
Public Event DrawerWillClose As NSDrawer..::..DrawerWillCloseEventHandler
public: event NSDrawer..::..DrawerWillCloseEventHandler^ DrawerWillClose { void add (NSDrawer..::..DrawerWillCloseEventHandler^ value); void remove (NSDrawer..::..DrawerWillCloseEventHandler^ value); }

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