/// <summary>
/// Call <see cref="M:Northwoods.Go.GoView.RaiseSelectionStarting" /> and <see cref="M:Northwoods.Go.GoView.RaiseSelectionFinished" />
/// around the addition of all of the objects in the given collection to this selection.
/// </summary>
/// <param name="coll"></param>
public override void AddRange(IGoCollection coll)
{
if (coll != null && !coll.IsEmpty)
{
GoView view = View;
view?.RaiseSelectionStarting();
base.AddRange(coll);
view?.RaiseSelectionFinished();
}
}
/// <summary>
/// Clearing the selection raises the <see cref="T:Northwoods.Go.GoView" />.<see cref="E:Northwoods.Go.GoView.SelectionStarting" />
/// and <see cref="E:Northwoods.Go.GoView.SelectionFinished" /> events, if there were multiple objects selected.
/// </summary>
public override void Clear()
{
GoView view = View;
bool num = view != null && Count > 1;
if (num)
{
view.RaiseSelectionStarting();
}
base.Clear();
if (num)
{
view.RaiseSelectionFinished();
}
}