GetBytes() [5/11]

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

inline

Definition at line 104 of file OSEncoding.cs.

    {
        if (chars == null || bytes == null)
        {
            throw new ArgumentNullException((chars == null) ? "chars" : "bytes", System.SR.ArgumentNull_Array);
        }
        if (charIndex < 0 || charCount < 0)
        {
            throw new ArgumentOutOfRangeException((charIndex < 0) ? "charIndex" : "charCount", System.SR.ArgumentOutOfRange_NeedNonNegNum);
        }
        if (chars.Length - charIndex < charCount)
        {
            throw new ArgumentOutOfRangeException("chars", System.SR.ArgumentOutOfRange_IndexCountBuffer);
        }
        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 = chars)
        {
            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_IndexCountBuffer, System.SR.ArgumentOutOfRange_NeedNonNegNum, System.byteIndex, System.bytes, System.charCount, System.charIndex, System.chars, and System.Text.OSEncoding.WideCharToMultiByte().