public static void Dump <T>(this IMesQuadTree <T> source, LogWriter w) where T : class
{
if (source.Root != null)
{
source.Root.Dump(w);
}
}
/// <summary>
/// Construct empty virtual canvas.
/// </summary>
public MesVirtualCanvas()
{
Index = new MesQuadTree <IMesVirtualChild>();
_children = new ObservableCollection <IMesVirtualChild>();
_children.CollectionChanged += new NotifyCollectionChangedEventHandler(OnChildrenCollectionChanged);
// Set default back color
_contentCanvas = new MesContentCanvas();
_contentCanvas.Background = System.Windows.Media.Brushes.White;
// Setup boarder
Backdrop = new Border();
_contentCanvas.Children.Add(Backdrop);
TransformGroup g = new TransformGroup();
Scale = new ScaleTransform();
Translate = new TranslateTransform();
g.Children.Add(Scale);
g.Children.Add(Translate);
_contentCanvas.RenderTransform = g;
Translate.Changed += new EventHandler(OnTranslateChanged);
Scale.Changed += new EventHandler(OnScaleChanged);
Children.Add(_contentCanvas);
}
