diff --git a/src/Avalonia.Animation/AnimationInstance`1.cs b/src/Avalonia.Animation/AnimationInstance`1.cs index b9ba49e510..cf79640150 100644 --- a/src/Avalonia.Animation/AnimationInstance`1.cs +++ b/src/Avalonia.Animation/AnimationInstance`1.cs @@ -37,6 +37,7 @@ namespace Avalonia.Animation private IDisposable _timerSub; private readonly IClock _baseClock; private IClock _clock; + private EventHandler _propertyChangedDelegate; public AnimationInstance(Animation animation, Animatable control, Animator animator, IClock baseClock, Action OnComplete, Func Interpolator) { @@ -79,7 +80,7 @@ namespace Avalonia.Animation // Animation may have been stopped before it has finished. ApplyFinalFill(); - _targetControl.PropertyChanged -= ControlPropertyChanged; + _targetControl.PropertyChanged -= _propertyChangedDelegate; _timerSub?.Dispose(); _clock.PlayState = PlayState.Stop; } @@ -88,7 +89,8 @@ namespace Avalonia.Animation { _clock = new Clock(_baseClock); _timerSub = _clock.Subscribe(Step); - _targetControl.PropertyChanged += ControlPropertyChanged; + _propertyChangedDelegate ??= ControlPropertyChanged; + _targetControl.PropertyChanged += _propertyChangedDelegate; UpdateNeutralValue(); }