silverlight 中的busyIndicator 加载控件

XAML代码

<UserControl x:Class="SilverlightApplication9.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="598" d:DesignWidth="825" xmlns:sdk="http://schemas.microsoft.com/winfx/2006/xaml/presentation/sdk" xmlns:toolkit="http://schemas.microsoft.com/winfx/2006/xaml/presentation/toolkit">

<Grid x:Name="LayoutRoot" Background="White" Height="528" Width="743">
<Canvas Height="506" HorizontalAlignment="Left" Margin="10,10,0,0" Name="canvas1" VerticalAlignment="Top" Width="733">
<TextBox Canvas.Left="185" Canvas.Top="36" Height="157" Name="textBox1" Width="301" />
<Button Canvas.Left="293" Canvas.Top="264" Content="填入数据" Height="23" Name="button1" Width="75" Click="button1_Click" />

</Canvas>
<Canvas Canvas.Left="10" Canvas.Top="10" Name="canvas2" Margin="13,19,0,0" Background="White" Visibility="Collapsed">
<toolkit:BusyIndicator Canvas.Left="207" Canvas.Top="211" Height="95" Name="busyIndicator1" Width="304" BusyContent="正在加载数据，请稍后！" IsBusy="False" />
</Canvas>
</Grid>
</UserControl>

CS代码

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;
using System.Threading;

namespace SilverlightApplication9
{
public partial class MainPage : UserControl
{
public MainPage()
{
InitializeComponent();
}

private void button1_Click(object sender, RoutedEventArgs e)
{

busyIndicator1.IsBusy = true;
textBox1.Text = "123333333333333333333333333333333334566666666666666";
canvas2.Visibility = Visibility.Visible;
ThreadPool.QueueUserWorkItem((threadState) =>
{
Thread.Sleep(5000);
Dispatcher.BeginInvoke(() =>
canvas2.Visibility = Visibility.Collapsed);
Dispatcher.BeginInvoke(() =>
busyIndicator1.IsBusy = false);
});
}
}
}

实例下载http://download.youkuaiyun.com/detail/bychentufeiyang/3914725