GetMaxByteCount()

override int System.Text.ISO2022Encoding.GetMaxByteCount ( int charCount )

inline

Definition at line 1153 of file ISO2022Encoding.cs.

    {
        if (charCount < 0)
        {
            throw new ArgumentOutOfRangeException("charCount", System.SR.ArgumentOutOfRange_NeedNonNegNum);
        }
        long num = (long)charCount + 1L;
        if (base.EncoderFallback.MaxCharCount > 1)
        {
            num *= base.EncoderFallback.MaxCharCount;
        }
        int num2 = 2;
        int num3 = 0;
        int num4 = 0;
        switch (CodePage)
        {
        case 50220:
        case 50221:
            num2 = 5;
            num4 = 3;
            break;
        case 50222:
            num2 = 5;
            num4 = 4;
            break;
        case 50225:
            num2 = 3;
            num3 = 4;
            num4 = 1;
            break;
        case 52936:
            num2 = 4;
            num4 = 2;
            break;
        }
        num *= num2;
        num += num3 + num4;
        if (num > int.MaxValue)
        {
            throw new ArgumentOutOfRangeException("charCount", System.SR.ArgumentOutOfRange_GetByteCountOverflow);
        }
        return (int)num;
    }

References System.SR.ArgumentOutOfRange_GetByteCountOverflow, System.SR.ArgumentOutOfRange_NeedNonNegNum, System.charCount, System.Text.Encoding.CodePage, and System.L.