Returns a Boolean value that indicates whether the receiver is currently attached to another menu. (Deprecated in Mac OS X v10.2.)
Original signature is '- (BOOL)isAttached'
Available in Mac OS X v10.0 and later.

C# | Visual Basic | Visual C++ |
[ObsoleteAttribute("Deprecated in Mac OS X v10.2.")] public virtual bool IsAttached { get; }
<ObsoleteAttribute("Deprecated in Mac OS X v10.2.")> _ Public Overridable ReadOnly Property IsAttached As Boolean Get
[ObsoleteAttribute(L"Deprecated in Mac OS X v10.2.")] public: virtual property bool IsAttached { bool get (); }

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