public void Add(string value, int width)
{
var column = new RichTreeViewColumn()
{
Name = value, Width = width
};
List.Add(column);
OnColumnAdded?.Invoke(column, EventArgs.Empty);
}
public bool Contains(RichTreeViewColumn value) => List.Contains(value);
public void Remove(RichTreeViewColumn item)
{
List.Remove(item);
OnColumnRemoved?.Invoke(this, EventArgs.Empty);
}
public void Add(RichTreeViewColumn item) => List.Add(item);
