技术开发 频道

用VB.net2008打造你的影音播放器


进入Button1_Click事件

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
      
        OpenFileDialog1.InitialDirectory
= "c:\"
        OpenFileDialog1.Filter
= "mp3 文件(*.mp3)|*.mp3|CD音频文件(*.wav)|*.wav|" & "视频(*.asf)|*.asf|所有文件(*.*)|*.*"

        
If OpenFileDialog1.ShowDialog = Windows.Forms.DialogResult.OK Then
            AxWindowsMediaPlayer1.URL
= OpenFileDialog1.FileName
            ListBox1.Items.Add(OpenFileDialog1.FileName)
        
End If
End Sub

进入Button2_Click事件

Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        If Button2.Text
= "播放" Then
            AxWindowsMediaPlayer1.Ctlcontrols.pause()
            Button2.Text
= "暂停"
        Else
            AxWindowsMediaPlayer1.Ctlcontrols.play()
            Button2.Text
= "播放"
        End If
    End Sub

 

Private Sub 打开ToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles 打开ToolStripMenuItem.Click
        Button1_Click(sender, e)
End Sub

进入Button3_Click事件

Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click

        AxWindowsMediaPlayer1.Ctlcontrols.stop()
'停止
        AxWindowsMediaPlayer1.Ctlcontrols.currentPosition() = 0 '重新开始
        AxWindowsMediaPlayer1.URL = ""
End Sub

进入 打开ToolStripMenuItem_Click事件
进入打开目录ToolStripMenuItem_Click事件
Private Sub 打开目录ToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles 打开目录ToolStripMenuItem.Click

  If FolderBrowserDialog1.ShowDialog = Windows.Forms.DialogResult.OK Then
            Dim fi As IO.FileInfo
            Dim dir As IO.DirectoryInfo
= New IO.DirectoryInfo(FolderBrowserDialog1.SelectedPath)
            Dim file As String
            For Each fi In dir.GetFiles(
"*.mp3")
                file
= fi.FullName
                ListBox1.Items.Add(file)
            Next
        End If
End Sub

进入关闭ToolStripMenuItem_Click事件

Private Sub 关闭ToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles 关闭ToolStripMenuItem.Click
        
''关闭
        If MessageBox.Show(
"请确定你要关闭吗?", "关闭", MessageBoxButtons.OKCancel) = Windows.Forms.DialogResult.OK Then
            Close()
        Else
            Return
        End If
    End Sub

进入Timer1_Tick事件

Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
        HScrollBar1.Value
= AxWindowsMediaPlayer1.Ctlcontrols.currentPosition
    End Sub

进入HScrollBar1_Scroll事件

Private Sub HScrollBar1_Scroll(ByVal sender As System.Object, ByVal e As System.Windows.Forms.ScrollEventArgs) Handles HScrollBar1.Scroll
        
''进度条
        AxWindowsMediaPlayer1.Ctlcontrols.currentPosition()
= HScrollBar1.Value
    End Sub

进入ListBox1_DoubleClick事件

Private Sub ListBox1_DoubleClick(ByVal sender As Object, ByVal e As System.EventArgs) Handles ListBox1.DoubleClick
        AxWindowsMediaPlayer1.URL
= ListBox1.SelectedItem.ToString
End Sub

代码已经输入完毕,接下来我们需要运行程序进行测试。

好了程序运行成功,此播放器已经具备了最基本的功能。感兴趣的朋友还可以向程序增加更多的功能。

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