Handles a mouse-up event sent to an input method.
Original signature is '-(BOOL)mouseUpOnCharacterIndex:(NSUInteger)index coordinate:(NSPoint)point withModifier:(NSUInteger)flags client:(id)sender'
Available in Mac OS X v10.5 and later.

C# | Visual Basic | Visual C++ |
public virtual bool MouseUpOnCharacterIndexCoordinateWithModifierClient( NSUInteger index, NSPoint point, NSUInteger flags, Id sender )
Public Overridable Function MouseUpOnCharacterIndexCoordinateWithModifierClient ( _ index As NSUInteger, _ point As NSPoint, _ flags As NSUInteger, _ sender As Id _ ) As Boolean
public: virtual bool MouseUpOnCharacterIndexCoordinateWithModifierClient( NSUInteger index, NSPoint point, NSUInteger flags, Id^ sender )

- index (NSUInteger)
- The index within the sender’s text storage where the mouse-up event occurred.
- point (NSPoint)
- The point at which the mouse-up event occurred.
- flags (NSUInteger)
- The modifier keys.
- sender (Id)
- The client object.

YES if handled; otherwise NO.

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