private static void OnPlotterChanged(object sender, PlotterChangedEventArgs e)
{
ViewportHostPanel owner = (ViewportHostPanel)sender;
if (owner.plotter != null && e.PreviousPlotter != null)
{
owner.viewport.PropertyChanged -= owner.Viewport_PropertyChanged;
owner.viewport = null;
owner.plotter = null;
}
if (owner.plotter == null && e.CurrentPlotter != null)
{
owner.plotter = (Plotter2D)e.CurrentPlotter;
owner.viewport = owner.plotter.Viewport;
owner.viewport.PropertyChanged += owner.Viewport_PropertyChanged;
}
}
public void OnPlotterAttached(Plotter plotter)
{
if (Parent == null)
{
hostPanel = new ViewportHostPanel();
Viewport2D.SetIsContentBoundsHost(hostPanel, false);
hostPanel.Children.Add(this);
plotter.Dispatcher.BeginInvoke(() =>
{
plotter.Children.Add(hostPanel);
}, DispatcherPriority.Send);
}
#if !old
Canvas hostCanvas = (Canvas)hostPanel.FindName(canvasName);
if (hostCanvas == null)
{
hostCanvas = new Canvas {
ClipToBounds = true
};
Panel.SetZIndex(hostCanvas, 1);
INameScope nameScope = NameScope.GetNameScope(hostPanel);
if (nameScope == null)
{
nameScope = new NameScope();
NameScope.SetNameScope(hostPanel, nameScope);
}
hostPanel.RegisterName(canvasName, hostCanvas);
hostPanel.Children.Add(hostCanvas);
}
hostCanvas.Children.Add(this);
#else
#endif
Plotter2D plotter2d = (Plotter2D)plotter;
this.plotter = plotter2d;
OnPositionChanged(new DependencyPropertyChangedEventArgs());
}