IndexOf() [3/10]

int System.String.IndexOf ( char value, int startIndex, int count )

inline

Definition at line 3257 of file String.cs.

    {
        if ((uint)startIndex > (uint)Length)
        {
            throw new ArgumentOutOfRangeException("startIndex", SR.ArgumentOutOfRange_Index);
        }
        if ((uint)count > (uint)(Length - startIndex))
        {
            throw new ArgumentOutOfRangeException("count", SR.ArgumentOutOfRange_Count);
        }
        int num = SpanHelpers.IndexOf(ref Unsafe.Add(ref _firstChar, startIndex), value, count);
        if (num != -1)
        {
            return num + startIndex;
        }
        return num;
    }

References System.String._firstChar, System.SR.ArgumentOutOfRange_Count, System.SR.ArgumentOutOfRange_Index, System.count, System.SpanHelpers.IndexOf(), System.String.Length, System.startIndex, and System.value.