SilverLight播放音乐、视频.doc

播放音乐
添加进入声音时，要将音频时间置零。
音频格式最好是MP3格式的。
页面代码：
<UserControl x:Class="MusicAndMovie.MainPage"
xmlns="
xmlns:x="
xmlns:d="
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d"
d:DesignHeight="400" d:DesignWidth="500">

<Canvas x:Name="CanvasOne" Width="500" Height="400">
<MediaElement x:Name="MusicOne" Source="Sound/Start.mp3" AutoPlay="True" ></MediaElement>
<MediaElement x:Name="MusicTwo" Source="Sound/click.mp3" AutoPlay="False"></MediaElement>
<Button Name="btnGuess" Width="105" Height="40" Canvas.Left="324" Canvas.Top="291" Content="You Can Try Me!"
MouseEnter="btnGuess_MouseEnter" MouseLeave="btnGuess_MouseLeave"></Button>
</Canvas>

</UserControl>

后台代码：
using System;
using System.Windows.Controls;
using System.Windows.Input;

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

private void btnGuess_MouseEnter(object sender, MouseEventArgs e)
{

TimeSpan time=new TimeSpan ();
MusicTwo.Position = time;
MusicTwo.Play();
btnGuess.Content = "You Can Try Me !";
}

private void btnGuess_MouseLeave(object sender, MouseEventArgs e)
{
TimeSpan time = new TimeSpan();
MusicOne.Position = time;
MusicOne.Play();
btnGuess.Content = "Baybay！";
}
}
}

播放视频

注意：设置资源后，将Web重新生成一下。AutoPlay应置为False

页面代码:
<UserControl x:Class="Float.MainPage"
xmlns="
xmlns:x="
xmlns:d="
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d"
d:DesignHeight="300" d:DesignWidth="400">

<Grid x:Name="LayoutRoot" Background="White">
<MediaElement Source="TEB4ES_P01_C06_L01.wmv" AutoPlay="False" Width="800" Height="600" Name="mv01" ></MediaElement>

<Button Name="btnStart" Width="50" Height="30" Margin="338,258,12,12" Click="btnStart_Click" MouseEnter="btnStart_MouseEnter" MouseLeave="btnStart_MouseLeave" Content="播放"></Button>
</Grid>
<UserControl.Resources>
<Storyboard x:Name="storyOne">

</Storyboard>
</UserControl.Resources>
</UserControl>

后台代码:

using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;

namespace Float
{
public partial class MainPage : UserControl
{
bool isplay = true;
public MainPage()
{
InitializeComponent();
}

private void btnStart_Click(object sender, RoutedEventArgs e)
{
if (isplay)
{
btnStart.Content = "暂停";
mv01.Play();
isplay = false;
}
else
{
btnStart.Content = "播放";
mv01.Pause();
isplay = true;
}
}

private void btnStart_MouseEnter(object sender, MouseEventArgs e)
{
//添加鼠标进入效果、函数
}

private void btnStart_MouseLeave(object sender, MouseEventArgs e)
{

}
}
}