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Windows Media Player 我使用很正常啊，外面单独使用也正常
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而且视频播放正不正常其实是调用视频的解码模块来实现的，跟程序本身关系不大
建议你下载“终极解码FinalCodecs”安装后重新尝试Windows Media Player控件
我这里有一段前段时间写的测试代码，使用WMPLib类，中间有你需要的功能，你可以参考下:
使用wmp.currentMedia.duration和wmp.currentMedia.durationString分别以double和string获得当前媒体的播放时间，使用wmp.settings.volume设置音量大小，使用wmp.controls.currentPosition设置当前播放时间点
Imports WMPLib
Public Class FrmMain
Dim WithEvents wmp As WMPLib.WindowsMediaPlayer
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
wmp = New WMPLib.WindowsMediaPlayer()
TextBox1.Text = TextBox1.Text vbCrLf "当前播放状态:" wmp.status
wmp.uiMode = "Mini"
wmp.settings.balance = 1
wmp.enableContextMenu = True
wmp.fullScreen = False
wmp.windowlessVideo = True
wmp.enabled = True
Dim wmpMediaList As IWMPPlaylist = wmp.newPlaylist("默认播放列表", "")
Dim wmpMedia As IWMPMedia = wmp.newMedia(My.Computer.FileSystem.CurrentDirectory "\Human.mp3")
With wmpMediaList
.appendItem(wmpMedia)
End With
'wmp.URL = "\\192.168.1.247\sharoncn\music\Human.mp3"
wmp.currentMedia = wmpMedia
wmp.settings.autoStart = True
tBarPlay.Value = 0
ListBox1.Items.Add(wmpMediaList.name)
ListBox1.SelectedIndex = 0
ListBox2.Items.Add(wmpMediaList.Item(0).name)
ListBox2.SelectedIndex = 0
tbar.Maximum = 100
tbar.Value = 50
Timer1.Enabled = True
Timer1.Interval = 100
End Sub
Private Sub wmp_PlayStateChange(ByVal NewState As Integer) Handles wmp.PlayStateChange
tBarPlay.Maximum = wmp.currentMedia.duration * 10
Label1.Text = "总时间:" wmp.currentMedia.durationString
TextBox1.Text = TextBox1.Text vbCrLf "当前播放状态：" NewState
If NewState = 1 Then
wmp.controls.play()
End If
End Sub
Private Sub TextBox1_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.TextChanged
TextBox1.SelectionStart = Len(TextBox1.Text)
TextBox1.ScrollToCaret()
End Sub
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
Label2.Text = "当前播放进度:" wmp.controls.currentPositionString
tBarPlay.Value = CInt(wmp.controls.currentPosition * 10)
End Sub
Private Sub tbar_Scroll(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles tbar.Scroll
wmp.settings.volume = tbar.Value
End Sub
Private Sub tBarPlay_Scroll(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles tBarPlay.Scroll
wmp.controls.currentPosition = tBarPlay.Value / 10
End Sub
End Class
在.NET里，没有托管的音乐播放器，用API只能播放WAV格式，对于MP3等形式的音频文件，就要依赖于其他控件了，常用的就是
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
=
"mp3文件路径，支持网络路径"
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。
右击工具箱/部件/WindowsMediaPlayer
//类模块Mmedia
Option Explicit
'-----------------------------------------------------
' Name : MMedia.cls
' Author : Peter Wright, For BG2VB4 BG2VB5
'
' Notes : A multimedia class, which when turned
' : into an object lets you load and play
' : multimedia files, such as sound and
' : video.
'-----------------------------------------------------
' -=-=-=- PROPERTIES -=-=-=-
' Filename Determines the name of the current file
' Length The length of the file (Read Only)
' Position The current position through the file
' Status The current status of the object (Read Only)
' Wait True/False...tells VB to wait until play done
' -=-=-=- METHODS -=-=-=-=-
' mmOpen Filename Opens the requested filename
' mmClose Closes the current file
' mmPause Pauses playback of the current file
' mmStop Stops playback ready for closedown
' mmSeek Position Seeks to a position in the file
' mmPlay Plays the open file
'-------------------------------------------------------------
' NOTES
' -----
'
' Open a file, then play it. Pause it in response to a request
' from the user. Stop if you intend to seek to the start and
' play again. Close when you no longer want to play the file
'--------------------------------------------------------------
Private sAlias As String ' Used internally to give an alias name to
' the multimedia resource
Private sFilename As String ' Holds the filename internally
Private nLength As Single ' Holds the length of the filename
' internally
Private nPosition As Single ' Holds the current position internally
Private sStatus As String ' Holds the current status as a string
Private bWait As Boolean ' Determines if VB should wait until play
' is complete before returning.
'------------ API DECLARATIONS -------------
'note that this is all one code line:
Private Declare Function mciSendString Lib "winmm.dll" _
Alias "mciSendStringA" (ByVal lpstrCommand As String, _
ByVal lpstrReturnString As String, ByVal uReturnLength As Long, _
ByVal hwndCallback As Long) As Long
Public Sub mmOpen(ByVal sTheFile As String)
' Declare a variable to hold the value returned by mciSendString
Dim nReturn As Long
' Declare a string variable to hold the file type
Dim sType As String
' Opens the specified multimedia file, and closes any
' other that may be open
If sAlias "" Then
mmClose
End If
' Determine the type of file from the file extension
Select Case UCase$(Right$(sTheFile, 3))
Case "WAV"
sType = "Waveaudio"
Case "AVI"
sType = "AviVideo"
Case "MID"
sType = "Sequencer"
Case Else
' If the file extension is not known then exit the subroutine
Exit Sub
End Select
sAlias = Right$(sTheFile, 3) Minute(Now)
' At this point there is no file open, and we have determined the
' file type. Now would be a good time to open the new file.
' Note: if the name contains a space we have to enclose it in quotes
If InStr(sTheFile, " ") Then sTheFile = Chr(34) sTheFile Chr(34)
nReturn = mciSendString("Open " sTheFile " ALIAS " sAlias _
" TYPE " sType " wait", "", 0, 0)
End Sub
Public Sub mmClose()
' Closes the currently opened multimedia file
' Declare a variable to hold the return value from the mciSendString
' command
Dim nReturn As Long
' If there is no file currently open then exit the subroutine
If sAlias = "" Then Exit Sub
nReturn = mciSendString("Close " sAlias, "", 0, 0)
sAlias = ""
sFilename = ""
End Sub
Public Sub mmPause()
' Pause playback of the file
' Declare a variable to hold the return value from the mciSendString
' command
Dim nReturn As Long
' If there is no file currently open then exit the subroutine
If sAlias = "" Then Exit Sub
nReturn = mciSendString("Pause " sAlias, "", 0, 0)
End Sub
Public Sub mmPlay()
' Plays the currently open file, from the current position
' Declare a variable to hold the return value from the mciSendString
' command
Dim nReturn As Long
' If there is no file currently open, then exit the routine
If sAlias = "" Then Exit Sub
' Now play the file
If bWait Then
nReturn = mciSendString("Play " sAlias " wait", "", 0, 0)
Else
nReturn = mciSendString("Play " sAlias, "", 0, 0)
End If
End Sub
Public Sub mmStop()
' Stop using a file totally, be it playing or whatever
' Declare a variable to hold the return value from mciSendString
Dim nReturn As Long
' If there is no file currently open then exit the subroutine
If sAlias = "" Then Exit Sub
nReturn = mciSendString("Stop " sAlias, "", 0, 0)
End Sub
Public Sub mmSeek(ByVal nPosition As Single)
' Seeks to a specific position within the file
' Declare a variable to hold the return value from the mciSendString
' function
Dim nReturn As Long
nReturn = mciSendString("Seek " sAlias " to " nPosition, "", 0, 0)
End Sub
Property Get Filename() As String
' Routine to return a value when the programmer asks the
' object for the value of its Filename property
Filename = sFilename
End Property
Property Let Filename(ByVal sTheFile As String)
' Routine to set the value of the filename property, should the programmer
' wish to do so. This implies that the programmer actually wants to open
' a file as well so control is passed to the mmOpen routine
mmOpen sTheFile
End Property
Property Get Wait() As Boolean
' Routine to return the value of the object's wait property.
Wait = bWait
End Property
Property Let Wait(bWaitValue As Boolean)
' Routine to set the value of the object's wait property
bWait = bWaitValue
End Property
Property Get Length() As Single
' Routine to return the length of the currently opened multimedia file
' Declare a variable to hold the return value from the mciSendString
Dim nReturn As Long, nLength As Integer
' Declare a string to hold the returned length from the mci Status call
Dim sLength As String * 255
' If there is no file open then return 0
If sAlias = "" Then
Length = 0
Exit Property
End If
nReturn = mciSendString("Status " sAlias " length", sLength, 255, 0)
nLength = InStr(sLength, Chr$(0))
Length = Val(Left$(sLength, nLength - 1))
End Property
Property Let Position(ByVal nPosition As Single)
' Sets the Position property effectively by seeking
mmSeek nPosition
End Property
Property Get Position() As Single
' Returns the current position in the file
' Declare a variable to hold the return value from mciSendString
Dim nReturn As Integer, nLength As Integer
' Declare a variable to hold the position returned
' by the mci Status position command
Dim sPosition As String * 255
' If there is no file currently opened then exit the subroutine
If sAlias = "" Then Exit Property
' Get the position and return
nReturn = mciSendString("Status " sAlias " position", sPosition, 255, 0)
nLength = InStr(sPosition, Chr$(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