GetBytes() [10/11]

unsafe override int System.Text.OSEncoding.GetBytes ( string s, int charIndex, int charCount, byte[] bytes, int byteIndex )

inlinevirtual

Reimplemented from System.Text.Encoding.

Definition at line 69 of file OSEncoding.cs.

    {
        if (s == null || bytes == null)
        {
            throw new ArgumentNullException((s == null) ? "s" : "bytes", System.SR.ArgumentNull_Array);
        }
        if (charIndex < 0 || charCount < 0)
        {
            throw new ArgumentOutOfRangeException((charIndex < 0) ? "charIndex" : "charCount", System.SR.ArgumentOutOfRange_NeedNonNegNum);
        }
        if (s.Length - charIndex < charCount)
        {
            throw new ArgumentOutOfRangeException("s", System.SR.ArgumentOutOfRange_IndexCount);
        }
        if (byteIndex < 0 || byteIndex > bytes.Length)
        {
            throw new ArgumentOutOfRangeException("byteIndex", System.SR.ArgumentOutOfRange_Index);
        }
        if (charCount == 0)
        {
            return 0;
        }
        if (bytes.Length == 0)
        {
            throw new ArgumentOutOfRangeException(System.SR.Argument_EncodingConversionOverflowBytes);
        }
        fixed (char* ptr = s)
        {
            fixed (byte* ptr2 = &bytes[0])
            {
                return WideCharToMultiByte(_codePage, ptr + charIndex, charCount, ptr2 + byteIndex, bytes.Length - byteIndex);
            }
        }
    }

References System.Text.OSEncoding._codePage, System.SR.Argument_EncodingConversionOverflowBytes, System.SR.ArgumentNull_Array, System.SR.ArgumentOutOfRange_Index, System.SR.ArgumentOutOfRange_IndexCount, System.SR.ArgumentOutOfRange_NeedNonNegNum, System.byteIndex, System.bytes, System.charCount, System.charIndex, System.s, and System.Text.OSEncoding.WideCharToMultiByte().