<Window x:Class="ButtonSample.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="Window1" Height="300" Width="300"> <DockPanel LastChildFill="False"> <StackPanel DockPanel.Dock="Top"> <Button> くるっく…</button></stackpanel></dockpanel></window>