程式 . 生活 . D小調

<UserControl x:Class="DynamicBehaviorSample.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d"
    d:DesignHeight="500" d:DesignWidth="500">

    <Grid x:Name="LayoutRoot" Background="White" Loaded="LayoutRoot_Loaded">
        <Image Height="162" HorizontalAlignment="Left"  Name="imgSample" Stretch="Fill" VerticalAlignment="Top" Width="213" Source="sample.jpg" />
    </Grid>
</UserControl>

private void LayoutRoot_Loaded(object sender, RoutedEventArgs e)
{
    
    MouseDragElementBehavior behaviorDrag=new MouseDragElementBehavior();

    //透過 Interaction 將 imgSample 加入 MouseDragElementBehavior
    Interaction.GetBehaviors(imgSample).Add(behaviorDrag);
}

using System.Windows.Interactivity;
using Microsoft.Expression.Interactivity.Layout;