internal List<IGroupable> GetGroupMembers( ICanvasModel model, IGroupable item )
{
var list = model.GetItems<IGroupable>();
var rootItem = GetRoot( list, item );
return GetGroupMembers( list, rootItem );
}
internal IGroupable GetGroupRoot( ICanvasModel model, IGroupable item )
{
var list = model.GetItems<IGroupable>();
return GetRoot( list, item );
}
internal void SelectAll( ICanvasModel model )
{
ClearSelection();
myCurrentSelection.AddRange( model.GetItems<ISelectable>() );
myCurrentSelection.ForEach( item => item.IsSelected = true );
OnSelectionChanged();
}