private void OnStartAnimation(object sender, RoutedEventArgs e)
{
var easingFunctionModel = comboEasingFunctions.SelectedItem as EasingFunctionModel;
if (easingFunctionModel != null)
{
EasingFunctionBase easingFunction = easingFunctionModel.EasingFunction;
easingFunction.EasingMode = GetEasingMode();
StartAnimation(easingFunction);
}
}