System.Resources.ResourceReader.GetNamePosition C# (CSharp) Méthode

        private unsafe int GetNamePosition(int index)
        {
            BCLDebug.Assert(index >=0 && index < _numResources, "Bad index into name position array.  index: "+index);
            BCLDebug.Assert((_ums == null && _namePositions != null && _namePositionsPtr == null) || 
                            (_ums != null && _namePositions == null && _namePositionsPtr != null), "Internal state mangled.");
            int r;
            if (_ums == null)
                r = _namePositions[index];
            else
                r = ReadUnalignedI4(&_namePositionsPtr[index]);
            if (r < 0 || r > _dataSectionOffset - _nameSectionOffset) {
                BCLDebug.Assert(false, "Corrupt .resources file!  NamePosition is outside of the name section!");
                throw new FormatException(Environment.GetResourceString("BadImageFormat_ResourcesNameOutOfSection", index, r.ToString("x", CultureInfo.InvariantCulture)));
            }
            return r;
        }