2013-02-16 191 views
0

我可以用AxWindowsMediaPlayer播放音频文件吗?AxWindowsMediaPlayer播放歌曲

我正在使用Visual Basic.net 2012 Ultimate。

这里是我的代码:

Imports AxWMPLib 

Public Class Form1 

Public WithEvents MediaPlayerObject As AxWindowsMediaPlayer = New AxWindowsMediaPlayer 

Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click 
    MediaPlayerObject = New AxWindowsMediaPlayer 
    MediaPlayerObject.Ctlenabled = True 
    MediaPlayerObject.URL = "C:\Users\Simon\Music\Music\CanLucidDream\108761__soundbytez__birds-late-morning.wav" 
    MediaPlayerObject.Ctlcontrols.play() 
End Sub 

末级

我在尝试访问任何对象的属性或方法时出现以下错误:

类型的未处理的异常AxInterop中出现'System.Windows.Forms.AxHost.InvalidActiveXStateException'.WMPLib.dll

回答

-1

在使用任何属性或方法之前,您需要调用BeginInit()和EndInit()。

MediaPlayerObject.BeginInit() 
MediaPlayerObject.EndInit() 
MediaPlayerObject.CtlEnabled = True 
0

您需要注意的是

-MediaPlayerObject.URL = "C:\Users\Simon\Music\Music\CanLucidDream\108761__soundbytez__birds-late-morning.wav"- 

应该是这样的;

MediaPlayerObject.URL = "C:\\\Users\\\Simon\\\Music\\\Music\\\CanLucidDream\\\108761__soundbytez__birds-late-morning.wav" 

或类似的;

MediaPlayerObject.URL = @"C:\Users\Simon\Music\Music\CanLucidDream\108761__soundbytez__birds-late-morning.wav"