Invoked when the formatter for the cell belonging to the specified control cannot convert a string to an underlying object.
Original signature is '- (BOOL)control:(NSControl *)control didFailToFormatString:(NSString *)string errorDescription:(NSString *)error'
Available in Mac OS X v10.0 and later.

C# | Visual Basic | Visual C++ |
public event NSControl..::..ControlDidFailToFormatStringErrorDescriptionEventHandler ControlDidFailToFormatStringErrorDescription
Public Event ControlDidFailToFormatStringErrorDescription As NSControl..::..ControlDidFailToFormatStringErrorDescriptionEventHandler
public: event NSControl..::..ControlDidFailToFormatStringErrorDescriptionEventHandler^ ControlDidFailToFormatStringErrorDescription { void add (NSControl..::..ControlDidFailToFormatStringErrorDescriptionEventHandler^ value); void remove (NSControl..::..ControlDidFailToFormatStringErrorDescriptionEventHandler^ value); }

YES if the value in the string parameter should be accepted as is; otherwise, NO if the value in the parameter should be rejected.

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