private void UpdateAnimationRunning()
{
if (IsMarqueeAnimationRunning)
{
MarqueeAnimation.RepeatBehavior = RepeatBehavior.Forever;
MarqueeStoryboard.Begin();
}
else
{
MarqueeAnimation.RepeatBehavior = new RepeatBehavior(0);
MarqueeStoryboard.Stop();
}
}
private void AdjustWidth()
{
AnimatedTextBlock.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
double textWidth = AnimatedTextBlock.DesiredSize.Width;
double widthToBeSet = AnimatedTextBlock.ActualWidth;
FrameworkElement parent = Parent as FrameworkElement;
if (parent != null)
{
widthToBeSet = parent.ActualWidth < AnimatedTextBlock.ActualWidth ? AnimatedTextBlock.ActualWidth : parent.ActualWidth;
MarqueeStoryboard.Stop();
AdjustAnimationDuration();
Width = widthToBeSet;
MarqueeAnimation.To = -AnimatedTextBlock.DesiredSize.Width;
MarqueeAnimation.From = parent.ActualWidth == 0 ? KOutOfTheScreenWidth : parent.ActualWidth; // Workaround: To avoid flicker on screen show up
MarqueeStoryboard.Begin();
}
}
public void OnLoaded(object sender, RoutedEventArgs args)
{
(Parent as FrameworkElement).SizeChanged += OnContainerSizeChanged;
AdjustWidth();
MarqueeStoryboard.Begin();
}
