How to stop an animation in C# / WPF?

Daren_Thomas_2260 0
Viewed 64643

I have something like this:

barProgress.BeginAnimation(RangeBase.ValueProperty, new DoubleAnimation(
    barProgress.Value, dNextProgressValue,
    new Duration(TimeSpan.FromSeconds(dDuration)));

Now, how would you stop that animation (the DoubleAnimation)? The reason I want to do this, is because I would like to start new animations (this seems to work, but it's hard to tell) and eventually stop the last animation...

wpf c#
8 Answers

To stop it, call BeginAnimation again with the second argument set to null.

DannySmurf_19752820

When using storyboards to control an animation, make sure you set the second parameter to true in order to set the animation as controllable:

public void Begin(
    FrameworkContentElement containingObject,
    **bool isControllable**
)
user_38370

If you want the base value to become the effective value again, you must stop the animation from influencing the property. There are three ways to do this with storyboard animations:

  • Set the animation's FillBehavior property to Stop
  • Remove the entire Storyboard
  • Remove the animation from the individual property

From MSDN

How to: Set a Property After Animating It with a Storyboard

iik_447410

In my case I had to use two commands, my xaml has a button which fires a trigger, and its trigger fires the storyboard animation.

I've put a button to stop animation with this code behind:

MyBeginStoryboard.Storyboard.Begin(this, true);
MyBeginStoryboard.Storyboard.Stop(this);

I don't like it but it really works here. Give it a try!

user_667080

Place the animation in a StoryBoard. Call Begin() and Stop() on the storyboard to start to stop the animations.

Brian_Leahy_5800
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