Unregister an an object that provides help data to your application.
Original signature is '- (void)unregisterUserInterfaceItemSearchHandler:(id < NSUserInterfaceItemSearching >)handler'
Available in Mac OS X v10.6 and later.

C# | Visual Basic | Visual C++ |
public virtual void UnregisterUserInterfaceItemSearchHandler( INSUserInterfaceItemSearching handler )
Public Overridable Sub UnregisterUserInterfaceItemSearchHandler ( _ handler As INSUserInterfaceItemSearching _ )
public: virtual void UnregisterUserInterfaceItemSearchHandler( INSUserInterfaceItemSearching^ handler )

- handler (INSUserInterfaceItemSearching)
- The class instance that conforms to NSUserInterfaceItemSearching and provides help content.

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