protected void Edit_MouseEnter(object sender, MouseEventArgs e)
{
if (_lastAnnotationMouseOver != null && _lastAnnotationMouseOver != this)
{
Application.Current?.Dispatcher?.Invoke(() =>
{
if (_lastAnnotationMouseOver.ActionsAdorner != null)
{
_lastAnnotationMouseOver.ActionsAdorner.Visibility = Visibility.Hidden;
}
});
_lastAnnotationMouseOver.VisibilityTimer.Change(Timeout.Infinite, Timeout.Infinite);
_lastAnnotationMouseOver.VisibilityTimer = null;
_lastAnnotationMouseOver = null;
}
if (VisibilityTimer != null)
{
VisibilityTimer.Change(Timeout.Infinite, Timeout.Infinite);
VisibilityTimer = null;
}
if (ActionsAdorner.Visibility == Visibility.Hidden)
{
_lastAnnotationMouseOver = this;
ActionsAdorner.Opacity = 0.0;
ActionsAdorner.Visibility = Visibility.Visible;
ActionsAdorner.BeginAnimation(OpacityProperty, FadeIn);
}
}
void VisibilityTimerCallback(object state)
{
Application.Current?.Dispatcher?.Invoke(() =>
{
if (ActionsAdorner != null)
{
ActionsAdorner.Opacity = 1.0;
ActionsAdorner.BeginAnimation(OpacityProperty, FadeOut);
ActionsAdorner.Visibility = Visibility.Hidden;
}
});
VisibilityTimer.Change(Timeout.Infinite, Timeout.Infinite);
VisibilityTimer = null;
_lastAnnotationMouseOver = null;
}