Silverlight4入门之Canvas控件(七)

 

<UserControl x:Class="FirstSilverlightApplication.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="300" d:DesignWidth="400" xmlns:sdk="http://schemas.microsoft.com/winfx/2006/xaml/presentation/sdk">    <Canvas x:Name="LayoutRoot" Background="White">        <Button Canvas.Left="10" Canvas.Top="10" Content="Button" Height="23" Name="button1" Width="75" />        <Button Canvas.Left="10" Canvas.Top="43" Content="Button" Height="23" Name="button2" Width="75" />        <Button Canvas.Left="10" Canvas.Top="76" Content="Button" Height="23" Name="button3" Width="75" Click="button3_Click" />    </Canvas></UserControl>

using System;using System.Collections.Generic;using System.Linq;using System.Net;using System.Windows;using System.Windows.Controls;using System.Windows.Documents;using System.Windows.Input;using System.Windows.Media;using System.Windows.Media.Animation;using System.Windows.Shapes;namespace FirstSilverlightApplication{    public partial class MainPage : UserControl    {        public MainPage()        {            InitializeComponent();                   }        private void button3_Click(object sender, RoutedEventArgs e)        {            button3.SetValue(Canvas.TopProperty, 100.0);        }                }}