GetMaxCharCount()

override int System.Text.ISO2022Encoding.GetMaxCharCount ( int byteCount )

inline

Definition at line 1197 of file ISO2022Encoding.cs.

    {
        if (byteCount < 0)
        {
            throw new ArgumentOutOfRangeException("byteCount", System.SR.ArgumentOutOfRange_NeedNonNegNum);
        }
        int num = 1;
        int num2 = 1;
        switch (CodePage)
        {
        case 50220:
        case 50221:
        case 50222:
        case 50225:
            num = 1;
            num2 = 3;
            break;
        case 52936:
            num = 1;
            num2 = 1;
            break;
        }
        long num3 = (long)byteCount * (long)num + num2;
        if (base.DecoderFallback.MaxCharCount > 1)
        {
            num3 *= base.DecoderFallback.MaxCharCount;
        }
        if (num3 > int.MaxValue)
        {
            throw new ArgumentOutOfRangeException("byteCount", System.SR.ArgumentOutOfRange_GetCharCountOverflow);
        }
        return (int)num3;
    }

References System.SR.ArgumentOutOfRange_GetCharCountOverflow, System.SR.ArgumentOutOfRange_NeedNonNegNum, System.byteCount, and System.Text.Encoding.CodePage.