StringBuilder() [5/9]

System.Text.StringBuilder.StringBuilder ( string? value, int startIndex, int length, int capacity )

inline

Definition at line 550 of file StringBuilder.cs.

    {
        if (capacity < 0)
        {
            throw new ArgumentOutOfRangeException("capacity", SR.Format(SR.ArgumentOutOfRange_MustBePositive, "capacity"));
        }
        if (length < 0)
        {
            throw new ArgumentOutOfRangeException("length", SR.Format(SR.ArgumentOutOfRange_MustBeNonNegNum, "length"));
        }
        if (startIndex < 0)
        {
            throw new ArgumentOutOfRangeException("startIndex", SR.ArgumentOutOfRange_StartIndex);
        }
        if (value == null)
        {
            value = string.Empty;
        }
        if (startIndex > value.Length - length)
        {
            throw new ArgumentOutOfRangeException("length", SR.ArgumentOutOfRange_IndexLength);
        }
        m_MaxCapacity = int.MaxValue;
        if (capacity == 0)
        {
            capacity = 16;
        }
        capacity = Math.Max(capacity, length);
        m_ChunkChars = GC.AllocateUninitializedArray<char>(capacity);
        m_ChunkLength = length;
        value.AsSpan(startIndex, length).CopyTo(m_ChunkChars);
    }

References System.SR.ArgumentOutOfRange_IndexLength, System.SR.ArgumentOutOfRange_MustBeNonNegNum, System.SR.ArgumentOutOfRange_MustBePositive, System.SR.ArgumentOutOfRange_StartIndex, System.capacity, System.SR.Format(), System.length, System.Text.StringBuilder.m_ChunkChars, System.Text.StringBuilder.m_ChunkLength, System.Text.StringBuilder.m_MaxCapacity, System.Math.Max(), System.startIndex, and System.value.