private void MoveLocation() { ThicknessAnimation ta = new ThicknessAnimation(); Thickness endLock = new Thickness(-12000, 0, 0, 0); ta.By = endLock; ta.Duration = TimeSpan.FromSeconds(20); Place.BeginAnimation(Image.MarginProperty, ta); TankImage.BeginAnimation(Image.MarginProperty, ta); TankImage2.BeginAnimation(Image.MarginProperty, ta); TankImage3.BeginAnimation(Image.MarginProperty, ta); }