Replace() [2/4]

StringBuilder System.Text.StringBuilder.Replace ( char oldChar, char newChar, int startIndex, int count )

inline

Definition at line 1921 of file StringBuilder.cs.

    {
        int length = Length;
        if ((uint)startIndex > (uint)length)
        {
            throw new ArgumentOutOfRangeException("startIndex", SR.ArgumentOutOfRange_Index);
        }
        if (count < 0 || startIndex > length - count)
        {
            throw new ArgumentOutOfRangeException("count", SR.ArgumentOutOfRange_Index);
        }
        int num = startIndex + count;
        StringBuilder stringBuilder = this;
        while (true)
        {
            int num2 = num - stringBuilder.m_ChunkOffset;
            int num3 = startIndex - stringBuilder.m_ChunkOffset;
            if (num2 >= 0)
            {
                int i = Math.Max(num3, 0);
                for (int num4 = Math.Min(stringBuilder.m_ChunkLength, num2); i < num4; i++)
                {
                    if (stringBuilder.m_ChunkChars[i] == oldChar)
                    {
                        stringBuilder.m_ChunkChars[i] = newChar;
                    }
                }
            }
            if (num3 >= 0)
            {
                break;
            }
            stringBuilder = stringBuilder.m_ChunkPrevious;
        }
        return this;
    }

References System.SR.ArgumentOutOfRange_Index, System.count, System.Runtime.Serialization.Dictionary, System.length, System.Text.StringBuilder.Length, System.Math.Max(), System.Math.Min(), and System.startIndex.