System.Windows.Forms.HexBox.GetStringBytePositionInfo C# (CSharp) Method

        BytePositionInfo GetStringBytePositionInfo(Point p)
        {
            long bytePos;
            int byteCharacterPos;

            float x = ((float)(p.X - _recStringView.X) / _charSize.Width);
            float y = ((float)(p.Y - _recStringView.Y) / _charSize.Height);
            int iX = (int)x;
            int iY = (int)y;

            int hPos = iX+1;

            bytePos = Math.Min(_byteProvider.Length,
                _startByte + (_iHexMaxHBytes * (iY+1) - _iHexMaxHBytes) + hPos - 1);
            byteCharacterPos = 0;

            if(bytePos < 0)
                return new BytePositionInfo(0, 0);
            return new BytePositionInfo(bytePos, byteCharacterPos);
        }