public MainWindow()
{
InitializeComponent();
Title = "Animate Property using a Storyboard";
Panel panel;
Button button;
Content =
panel = new StackPanel()
.AddChildren(
button = new Button() { Content = "Button" });
var storyboard =
new Storyboard()
.AddChildren(
new DoubleAnimation()
{
From = 200,
To = 300,
Duration = new Duration(TimeSpan.FromMilliseconds(1000))
}
.SetTargetObject(this, button, Button.WidthProperty));
panel.AddChildren(
new Button() { Content = "Start" }
.AddClick((s, args) => storyboard.Begin(this)));
}