ByteString.LastIndexOf Method (Byte, Int32)

Reports the index of the last occurrence of the specified byte in this instance.

[Visual Basic]
Overloads Public Function LastIndexOf( _
ByVal by As Byte, _
ByVal startIndex As Integer _
) As Integer

[C#]
public int LastIndexOf(
byte by,
int startIndex
);

position in this instance where by was found;
-1 if by was not found.

The search ranges from startIndex to the beginning of the string.

Exception Type	Condition
ArgumentOutOfRangeException	startIndex < 0 or startIndex > Length