public DataCellNavigator(WorkSheet sheet, Position start, Position end)
{
Sheet = sheet;
int yStart = Math.Min(start.Row, end.Row);
int yEnd = Math.Abs(start.Row - end.Row) + yStart;
int xStart = Math.Min(start.Column, end.Column);
int xEnd = Math.Abs(start.Column - end.Column) + xStart;
Start = new Position(yStart, xStart);
End = new Position(yEnd, xEnd);
}
internal Cell(WorkSheet sheet, Position position)
{
WorkSheet = sheet;
Position = position;
}