public void AddAt(int index, ItemsViewColumn column)
{
if (column == null)
{
throw new ArgumentNullException("column");
}
if (index == -1)
{
this.columns.Add(column);
}
else
{
this.columns.Insert(index, column);
}
column.SetOwner(this.owner);
if (this.marked)
{
((IStateManager)column).TrackViewState();
}
this.OnColumnsChanged();
}
public void Add(ItemsViewColumn column)
{
this.AddAt(-1, column);
}