public final boolean isInRange(int rowIx, int colIx) {CellRangeAddress8Bit r = _range;return r.getFirstRow() <= rowIx&& r.getLastRow() >= rowIx&& r.getFirstColumn() <= colIx&& r.getLastColumn() >= colIx;}
public bool IsInRange(int rowIx, int colIx){CellRangeAddress8Bit r = _range;return r.FirstRow <= rowIx&& r.LastRow >= rowIx&& r.FirstColumn <= colIx&& r.LastColumn >= colIx;}