WPF滚动

<UserControlx:Class="WpfApplication1.UserControl1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" mc:Ignorable="d" d:DesignHeight="30"d:DesignWidth="300"Loaded="UserControl_Loaded"> <CanvasClipToBounds="True"x:Name="canvas"> <Canvas.Resources> <Sto...