你在axwindowsmediaplayer1.url=t之前把音乐播放器关一下,如果你的音乐一直播放的话其默认的播放文件地址是正在播放的那个,你那条刷新播放文件地址的命令可能没用.试试吧!!
需要用到COM控件,例如media player、Real player等,或者用 .NET 自带的类库 System.Media下面的 SoundPlayer来播放音乐
MediaPlayer.使用方法:
在工具箱上点右键,选择"选择项目(Choose
Items)",切到COM选项卡,找到
Windows
Media
Player,
勾选,确定
在t工具箱上,把刚才加入的MediaPlayer控件,拖放到窗体上
代码:
WindowsMediaPlayer1.URL
=
WindowsMediaPlayer1.Ctlcontrols.play
基本就OK了,至于其他的操作诸如下一曲上一曲暂停停止,直接看
WindowsMediaPlayer1.Ctlcontrols.
里面的方法吧.
Private Declare Function mciSendString Lib "winmm.dll" Alias "mciSendStringA"(Byval lpstrCommand As String,ByVal lpstrRetumString As String,ByVal uReturnLength As long,ByVal hwndCallback as long) As longDim mfn As String
下面就是各个对象的代码了:
Private Sub Form_load()
mfn=""
play.Enabled=False
pause.Enabled=False
Stopplay.Enabled=False
back.Enabled=False
prew.Enabled=False
Timer1.Enabled=False
End SubPrivate Sub open_Click()
On Error Goto err
With CommonDialog1
.CancelError=True
.Flags=cdlOFNNoChangeDir And cdlOFNPathMustExist
.Action=1
stopplay_Click '停止按钮同时可以设备初始化
mfn=.FileName '这个程序中文件名一定不能带空格
Form1.Caption=.FileName
play.Enabled=True
End With
play_Click
Exit Sub
err:
End SubPrivate Sub play_Click()
On Error Resume Next
Dim t As Long
t=mciSendString("open " + mfn,0,0,0) 'Open后边的空格一定不能丢
'显示歌曲总长
If ret"" Then
ProgressBar1.Min=0
ProgressBar1.Max=Val(ret)
End If
pause.Enabled=True
stopplay.Enabled=True
back.Enabled=True
prew.Enabled=True
'得到设备的当前状态,是播放还是暂停等等
StatusBar1.Panels(1).text=ret
'在状态栏显示播放状态
t=mciSendString("play " + mfn + " form " + Str(ProgressBar1.Value),0,0,0)
'开始播放
Timer1.Enabled=True
End Sub
Private Sub pause_Click()
t%=mciSendString("pause " + mfn,0,0,0)
'发出暂停的命令
play.Enable=True
Private Sub stopplay_Click()
t%=mciSendString("stop " + mfn,0,0,0)
t%=mciSendString("close " + mfn,0,0,0)
'停止播放
stopplay.Enabled=False
Private Sub back_Click()
t%=mciSendString("play " + mfn + " from " + Str(ProgressBar1.Value-(ProgressBar1.Max\10)),0,0,0) '向后跳一小段再播放
Private Sub prew_Click()
t%=mciSendString("play " + mfn + " from " + Stri(ProgressBar1.Value+(ProgressBar1.Max\10)),0,0,0) '向前跳一小段再播放
Private Sub Timer1_Timer()
t=mciSendString("status " + mfn + " position",ret,0,0)
'得到当前播放位置
ProgressBar1.Value=Val(ret)
Label1.Caption=gettime(Val(ret))
'显示歌曲当前时间
If ProgressBar1.Value=ProgressBar1.Max Then
stopplay_Click
StatusBar1.Panels(1).Text=ret
End SubPrivate Sub Form_Unload(Cacel As Integer)
End SubPrivate Function Gettime(position As Long) As String
'这个函数的功能是把以长整型表示的时间转换为电子钟式的"**:**"
Dim min,sec
min=position/1000
sec=min-Int(min)
min=Int(min)
sec=Int(sec * 100)
gettime=Str(min) + ":" + Str(sec)
End Function
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