private static void SideBarAnimation(Panel sideBar, int from, int to, ThicknessAnimation ta) { DoubleAnimation da = new DoubleAnimation(); da.From = from; da.To = to; da.Duration = TimeSpan.FromSeconds(0.4); sideBar.BeginAnimation(TextBlock.OpacityProperty, da); ta.Duration = TimeSpan.FromSeconds(0.2); sideBar.BeginAnimation(TextBlock.MarginProperty, ta); }