public override int Erase(
	Definition key
)

Public Overrides Function Erase ( _
	key As Definition _
) As Integer

public:
virtual int Erase(
	Definition^ key
) override

The method Erase inherited from base class is not permitted for this class. A Autodesk::Revit::Exceptions::InvalidOperationException will be thrown. Use Remove() instead to remove the binding from the Revit session and from the map.