public override int GetByteCount(
	char[] chars,
	int index,
	int count
)

Public Overrides Function GetByteCount ( 
	chars As Char(),
	index As Integer,
	count As Integer
) As Integer

public:
virtual int GetByteCount(
	array<wchar_t>^ chars, 
	int index, 
	int count
) override

abstract GetByteCount : 
        chars : char[] * 
        index : int * 
        count : int -> int 
override GetByteCount : 
        chars : char[] * 
        index : int * 
        count : int -> int