private void ShowPopup()
{
if (tip != null && tip.IsOpen)
{
tip.FastClose();
}
tip = new BalloonTip(this);
tip.Style = BalloonTipStyle;
tip.Owner = Window.GetWindow(this);
tip.SetBinding(Window.ContentProperty, new Binding()
{
Source = this,
Path = new PropertyPath(QuoteProperty)
});
tip.Closed += (sender, e) =>
{
IsChecked = false;
tip = null;
};
tip.FastShow();
}