锐客网

  1. 首页 > 睿知 > it技术 > >

vb.net流媒体播放器 qt流媒体播放器( 三 )

IT技术String


End Property
Property Get Position() As Single
' Returns the current position in the file
' Declare a variable to hold the return value from mciSendString
Dim nReturn As Integer, nLength As Integer
' Declare a variable to hold the position returned
' by the mci Status position command
Dim sPosition As String * 255
' If there is no file currently opened then exit the subroutine
If sAlias = "" Then Exit Property
' Get the position and return
nReturn = mciSendString("Status "sAlias" position", sPosition, 255, 0)
nLength = InStr(sPosition, Chr$(0))
Position = Val(Left$(sPosition, nLength - 1))
End Property
Property Get Status() As String
' Returns the playback/record status of the current file
' Declare a variable to hold the return value from mciSendString
Dim nReturn As Integer, nLength As Integer
' Declare a variable to hold the return string from mciSendString
Dim sStatus As String * 255
' If there is no file currently opened, then exit the subroutine
If sAlias = "" Then Exit Property
nReturn = mciSendString("Status "sAlias" mode", sStatus, 255, 0)
nLength = InStr(sStatus, Chr$(0))
Status = Left$(sStatus, nLength - 1)
End Property
//窗体fm
Dim m As New Mmedia
Dim fn
Private Sub Command1_Click()
On Error GoTo r
dlg.ShowOpen
fn = dlg.Filename
m.mmOpen fn
r:
If Err Then MsgBox Err.Description
End Sub
Private Sub Command2_Click()
On Error GoTo rp
m.mmPlay
rp:
If Err Then MsgBox Err.Description
End Sub
Private Sub Command3_Click()
On Error GoTo rap
m.mmPause
rap:
If Err Then MsgBox Err.Description
End Sub
Private Sub Command4_Click()
On Error GoTo racp
m.mmStop
racp:
If Err Then MsgBox Err.Description
End Sub
vb.net中如何播放声音，是要什么控件嘛？My.Computer.Audio.Play("SoundFile.wav")
SoundFile.wav是你要播放的声音文件的路径
【vb.net流媒体播放器 qt流媒体播放器】vb.net流媒体播放器的介绍就聊到这里吧 ， 感谢你花时间阅读本站内容，更多关于qt流媒体播放器、vb.net流媒体播放器的信息别忘了在本站进行查找喔 。

推荐阅读


上一篇：用什么软件下载视频，用什么软件下载视频快

下一篇：java恶搞代码，java搞笑段子