Append() [21/26]

unsafe StringBuilder System.Text.StringBuilder.Append ( string? value, int startIndex, int count )

inline

Definition at line 853 of file StringBuilder.cs.

    {
        if (startIndex < 0)
        {
            throw new ArgumentOutOfRangeException("startIndex", SR.ArgumentOutOfRange_Index);
        }
        if (count < 0)
        {
            throw new ArgumentOutOfRangeException("count", SR.ArgumentOutOfRange_GenericPositive);
        }
        if (value == null)
        {
            if (startIndex == 0 && count == 0)
            {
                return this;
            }
            throw new ArgumentNullException("value");
        }
        if (count == 0)
        {
            return this;
        }
        if (startIndex > value.Length - count)
        {
            throw new ArgumentOutOfRangeException("startIndex", SR.ArgumentOutOfRange_Index);
        }
        fixed (char* ptr = value)
        {
            Append(ptr + startIndex, count);
            return this;
        }
    }

References System.Text.StringBuilder.Append(), System.SR.ArgumentOutOfRange_GenericPositive, System.SR.ArgumentOutOfRange_Index, System.count, System.Runtime.Serialization.Dictionary, System.startIndex, and System.value.