//</Snippet5>
//<Snippet7>
void DrawingAttributesChanged(object sender, PropertyDataChangedEventArgs e)
{
// Reattach the visual of the DynamicRenderer to the InkPresenter
// whenever the DrawingAttributes change.
presenter.DetachVisuals(renderer.RootVisual);
presenter.AttachVisuals(renderer.RootVisual, renderer.DrawingAttributes);
}
public override void Perform()
{
if (TargetInkCanvas.StylusPlugInCollection.Count > 0)
{
InkPresenter inkPresenter = TargetInkCanvas.CustomInkPresenter;
int index = CountIndex % TargetInkCanvas.StylusPlugInCollection.Count;
DynamicRenderer dynamicRenderer = TargetInkCanvas.StylusPlugInCollection[index] as DynamicRenderer;
if (dynamicRenderer == null)
{
return;
}
if (dynamicRenderer != TargetInkCanvas.CustomDynamicRenderer)
{
inkPresenter.DetachVisuals(dynamicRenderer.RootVisual);
TargetInkCanvas.StylusPlugInCollection.Remove(dynamicRenderer);
}
else
{
// A sign of gotten a stylus plug-in object
bool foundOne = false;
foreach (DynamicRenderer plugin in TargetInkCanvas.StylusPlugInCollection)
{
if (plugin != dynamicRenderer)
{
TargetInkCanvas.CustomDynamicRenderer = plugin;
foundOne = true;
break;
}
}
if (!foundOne)
{
TargetInkCanvas.CustomDynamicRenderer = null;
}
}
}
}