silverlight 播放器,丑丑版

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using
System;

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using
System.Collections.Generic;

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using
System.Linq;

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using
System.Text;

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using
System.Windows;

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using
System.Windows.Controls;

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using
System.Windows.Data;

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using
System.Windows.Documents;

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using
System.Windows.Input;

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using
System.Windows.Media;

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using
System.Windows.Media.Imaging;

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using
System.Windows.Navigation;

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using
System.Windows.Shapes;

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using
System.IO;

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using
System.Diagnostics;

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namespace
eOMS.CR

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{


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///

<summary>


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///
PlayWindow.xaml 的交互逻辑

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///

</summary>


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public

partial

class
PlayWindow : UserControl

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{


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string
Url
=

string
.Empty;
//
音频文件路径


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string
sPath
=

string
.Empty;
//
保存文件路径


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string
isplay
=

“
0
“
;
//
标记是否已经处于播放状态


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System.Windows.Threading.DispatcherTimer timer
=

new
System.Windows.Threading.DispatcherTimer();

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public
PlayWindow()

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{


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InitializeComponent();

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}

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public
PlayWindow(
string
SoundUrl)

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{


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try


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{


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InitializeComponent();

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Url
=
SoundUrl;

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myElement.Source
=

new
Uri(Url, UriKind.Absolute);

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timer.Interval
=

new
TimeSpan(
1000
);

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timer.Tick
+=

new
EventHandler(timer_Tick);

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timer.Start();

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}

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catch
(Exception ex)

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{


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MessageBox.Show(ex.Message);

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}

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}

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void
timer_Tick(
object
sender, EventArgs e)

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{


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label2.Content
=

string
.Format(

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“
{0}{1:00}:{2:00}:{3:00}
“
,

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“
播放进度：
“
,

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myElement.Position.Hours,

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myElement.Position.Minutes,

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myElement.Position.Seconds);

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label3.Content
=

string
.Format(
“
下载进度：{0:##%}
“
, myElement.DownloadProgress);

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}

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private

void
InitializePropertyValues()

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{


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//
myElement.Volume = (double)volumeSlider.Value;

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//
myElement.Source = new Uri(Url, UriKind.Absolute);


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}

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///

<summary>


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///
下载按钮引发的事件

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///

</summary>


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///

<param name=”sender”></param>


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///

<param name=”e”></param>


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//
播放进度


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private

void
slider1_ValueChanged(
object
sender, RoutedPropertyChangedEventArgs
<
double
>
e)

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{


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try


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{


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if
( isplay
==
“
1
“
)

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{


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int
value
=
(
int
)slider1.Value;

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int
myvalue
=
(
int
)myElement.NaturalDuration.TimeSpan.TotalSeconds;

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TimeSpan ts
=

new
TimeSpan(
0
,
0
,
0
,
0
, value);

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//
myElement.Position = TimeSpan.FromSeconds((myvalue* value) / 10);


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myElement.Position
=
ts;

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}

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}

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catch
(Exception ex)

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{


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throw
ex;

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}

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}

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///

<summary>


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///
播放

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///

</summary>


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///

<param name=”sender”></param>


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///

<param name=”e”></param>


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private

void
button1_Click(
object
sender, RoutedEventArgs e)

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{


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myElement.Play();

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isplay
=

“
1
“
;

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}

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///

<summary>


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///
暂停

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///

</summary>


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///

<param name=”sender”></param>


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///

<param name=”e”></param>


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private

void
button2_Click(
object
sender, RoutedEventArgs e)

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{


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isplay
=

“
0
“
;

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myElement.Pause();

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}

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///

<summary>


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///
停止

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///

</summary>


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///

<param name=”sender”></param>


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///

<param name=”e”></param>


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private

void
button3_Click(
object
sender, RoutedEventArgs e)

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{


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isplay
=

“
0
“
;

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myElement.Stop();

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}

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///

<summary>


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///
静音

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///

</summary>


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///

<param name=”sender”></param>


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///

<param name=”e”></param>


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private

void
button4_Click(
object
sender, RoutedEventArgs e)

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{


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myElement.IsMuted
=

!
myElement.IsMuted;

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}

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///

<summary>


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///
音量控制

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///

</summary>


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///

<param name=”sender”></param>


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///

<param name=”e”></param>


149


private

void
slider2_ValueChanged(
object
sender, RoutedPropertyChangedEventArgs
<
double
>
e)

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{

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//
音量控制


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double
d
=
(
double
)(((
double
)slider2.Value)
/

10
);

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myElement.Volume
=
d;

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label4.Content
=
(
double
.Parse(d.ToString(
“
F2
“
))
*

100
)
+

“
%
“
;

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}

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///

<summary>


157

///
下载操作

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///

</summary>


159

///

<param name=”sender”></param>


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///

<param name=”e”></param>


161


private

void
btnDown_Click_1(
object
sender, RoutedEventArgs e)

162
{


163


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System.Windows.Forms.SaveFileDialog sf
=

new
System.Windows.Forms.SaveFileDialog();

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sf.Filter
=

“
音频文件|*.wav
“
;

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if
( sf.ShowDialog()
==
System.Windows.Forms.DialogResult.OK)

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{


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String targetPath
=
sf.FileName;

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System.IO.File.Copy(Url, targetPath,
true
);

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}

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172


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}

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///

<summary>


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///
隐藏当前窗口

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///

</summary>


177

///

<param name=”sender”></param>


178

///

<param name=”e”></param>


179


private

void
button5_Click(
object
sender, RoutedEventArgs e)

180
{

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myElement.Stop();

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myElement.Close();

183

this
.LayoutRoot.Visibility
=
Visibility.Hidden;

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}

185


186

private

void
myElement_MediaEnded(
object
sender, RoutedEventArgs e)

187
{


188
isplay
=

“
0
“
;

189
}

190


191


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}

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}