public IXLFilterColumn Column(Int32 column)
{
XLFilterColumn filterColumn;
if (!_columns.TryGetValue(column, out filterColumn))
{
filterColumn = new XLFilterColumn(this, column);
_columns.Add(column, filterColumn);
}
return(filterColumn);
}
public IXLFilterColumn Column(Int32 column)
{
if (column < 1 || column > XLHelper.MaxColumnNumber)
{
throw new ArgumentOutOfRangeException(nameof(column), "Column " + column + " is outside the allowed column range.");
}
if (!_columns.TryGetValue(column, out XLFilterColumn filterColumn))
{
filterColumn = new XLFilterColumn(this, column);
_columns.Add(column, filterColumn);
}
return(filterColumn);
}
