GetBytes() [9/9]

unsafe byte[] System.Text.Encoding.GetBytes ( string s, int index, int count )

inlineinherited

Definition at line 811 of file Encoding.cs.

    {
        if (s == null)
        {
            throw new ArgumentNullException("s", SR.ArgumentNull_String);
        }
        if (index < 0)
        {
            throw new ArgumentOutOfRangeException("index", SR.ArgumentOutOfRange_NeedNonNegNum);
        }
        if (count < 0)
        {
            throw new ArgumentOutOfRangeException("count", SR.ArgumentOutOfRange_NeedNonNegNum);
        }
        if (index > s.Length - count)
        {
            throw new ArgumentOutOfRangeException("index", SR.ArgumentOutOfRange_IndexCount);
        }
        fixed (char* ptr = s)
        {
            int byteCount = GetByteCount(ptr + index, count);
            if (byteCount == 0)
            {
                return Array.Empty<byte>();
            }
            byte[] array = new byte[byteCount];
            fixed (byte* bytes = &array[0])
            {
                int bytes2 = GetBytes(ptr + index, count, bytes, byteCount);
            }
            return array;
        }
    }

References System.SR.ArgumentNull_String, System.SR.ArgumentOutOfRange_IndexCount, System.SR.ArgumentOutOfRange_NeedNonNegNum, System.array, System.byteCount, System.bytes, System.count, System.Runtime.Serialization.Dictionary, System.Text.Encoding.GetByteCount(), System.Text.Encoding.GetBytes(), System.index, and System.s.