wpf - How to add a StackPanel in a Button in C# code behind

Question

How to add a StackPanel in a Button using c# code behind (i.e. convert the following XAML to C# )? There is no Button.Children.Add...

<Button>
   <StackPanel Orientation="Horizontal" Margin="10">
      <Image Source="foo.png"/>
   </StackPanel>
</Button>

Answer 1

  Image img = new Image();
  img.Source = new BitmapImage(new Uri("foo.png"));

  StackPanel stackPnl = new StackPanel();
  stackPnl.Orientation = Orientation.Horizontal;
  stackPnl.Margin = new Thickness(10);
  stackPnl.Children.Add(img);

  Button btn = new Button();
  btn.Content = stackPnl;