protected virtual void OnChange(
	FormatBase format,
	int propKey
)

Protected Overridable Sub OnChange ( 
	format As FormatBase,
	propKey As Integer
)

protected:
virtual void OnChange(
	FormatBase^ format, 
	int propKey
)

abstract OnChange : 
        format : FormatBase * 
        propKey : int -> unit 
override OnChange : 
        format : FormatBase * 
        propKey : int -> unit