public static void EnsureAnimator(UIElement targetElement, ref OpacityAnimator animator)
{
if (animator == null)
{
animator = new OpacityAnimator(targetElement);
}
if (animator == null)
{
throw new InvalidOperationException("The animation system could not be prepared for the target element.");
}
}
public static void EnsureAnimator(UIElement targetElement, ref OpacityAnimator animator)
{
if (animator == null)
{
animator = new OpacityAnimator(targetElement);
}
if (animator == null)
{
throw new InvalidOperationException("The animation system could not be prepared for the target element.");
}
}