void SetUpHoverAnimationControl()
{
var panel = this.AssociatedObject.Parent as Panel;
this.canvas = panel.FindName(CanvasName) as Canvas;
if (this.canvas == null)
{
this.canvas = new Canvas();
this.canvas.Name = CanvasName;
panel.Children.Add(this.canvas);
}
// re-use an existing hover control if it is found
var existingHoverControl = canvas.FindName(ProgressIndiciatorName);
if (existingHoverControl != null)
{
this.hoverProgressControl = (HoverProgressControl)existingHoverControl;
}
else
{
this.hoverProgressControl = new HoverProgressControl();
this.hoverProgressControl.Name = ProgressIndiciatorName;
this.hoverProgressControl.Visibility = Visibility.Collapsed;
}
this.hoverProgressControl.Storyboard.Completed += new EventHandler(Storyboard_Completed);
this.canvas.Children.Add(this.hoverProgressControl);
}
protected override void OnDetaching()
{
base.OnDetaching();
this.AssociatedObject.MouseEnter -= AssociatedObject_MouseEnter;
this.AssociatedObject.MouseLeave -= AssociatedObject_MouseLeave;
this.AssociatedObject.MouseMove -= AssociatedObject_MouseMove;
this.hoverProgressControl.Storyboard.Completed -= Storyboard_Completed;
this.hoverProgressControl = null;
}