system\globalization\textinfo.cs (2)
288if (TryFastFindStringOrdinalIgnoreCase(Microsoft.Win32.Win32Native.FIND_FROMSTART, source, startIndex, value, count, ref ret))
334if (TryFastFindStringOrdinalIgnoreCase(Microsoft.Win32.Win32Native.FIND_FROMEND, source, startIndex, value, count, ref ret))