Question

Workaround for WMP.DLL (endofstream event) in Visual Basic 6.0

Asked by: myvitagen

I am trying to build a VB 6 Program to control movie files being played in Windows Media Player. I need to detect when a movie finishes and when to play the next movie so it rotates automatically.

With MSDXM.OCX the endofstream event works fine. However the movie buffering is slow.
I wish to use WMP.DLL , but the endofstream event doesnt work. Anyone has any workaround? My code sample as follows:

Option Explicit
Const FileLocation = "C:\temp\ADVERTISEMENT\"
Const MaxCount = 3

Private Sub Form_Load()
PlayFile (1)
End Sub

Public Sub PlayFile(ByVal Count As Integer)
'Opens the file selected from the Object
Dim Filename As String
    'Need Checking on Valid File
    Filename = "Ad" & Count & ".wmv"
    MsgBox (WindowsMediaPlayer1.Status)
    WindowsMediaPlayer1.openPlayer (FileLocation & Filename)
    WindowsMediaPlayer1.currentPlaylist()
End Sub

Public Sub WindowsMediaPlayer1_EndOfStream(ByVal Result As Long)
       If Count <= MaxCount Then
            Count = Count + 1
            PlayFile (Count)
        Else
            WindowsMediaPlayer1.Close
        End If
End Sub

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Asked On
2007-06-25 at 09:12:34ID22656057
Tags

visual

,

basic

Topics

Streaming Media Players

,

VB Objects

,

Visual Basic Programming

Participating Experts
1
Points
400
Comments
2

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Answers

 

by: Idle_MindPosted on 2007-06-25 at 21:31:03ID: 19360953

You could build yourself a PlayList and then press Play.

This worked for me using WMP10:

Private Sub Form_Load()
    Dim i As Integer
    Dim path As String
    Dim Playlist As IWMPPlaylist
   
    path = "C:\temp\ADVERTISEMENT\"
    Set Playlist = WindowsMediaPlayer1.newPlaylist("MyPlayList", "")
    For i = 1 to 3
        Playlist.appendItem WindowsMediaPlayer1.newMedia(path & "Ad" & i & ".wmv")
    Next
    WindowsMediaPlayer1.currentPlaylist = Playlist
    WindowsMediaPlayer1.Controls.play
End Sub

 

by: myvitagenPosted on 2007-06-26 at 10:41:34ID: 19366039

Hi Idle_Mind, your idea is good, many thanks.

However I still have a problem of looping/repeating the playlist. Similar problem as I cant detect when the playlist ends, or is there a way? My objective is to loop all the movies automatically.

I have modified the codes a little including making it play in full screen. Noticed a microsoft bug which needed the full screen code to execute after a short delay.

Public Sub PlayFile()
    Dim i As Integer
    Dim path As String
    path = "C:\temp\ADVERTISEMENT\"
    Dim Playlist As IWMPPlaylist
    Dim fsoSysObj   As Scripting.FileSystemObject
    Set fsoSysObj = New Scripting.FileSystemObject
    Dim fdrFolder   As Scripting.Folder
    Dim filFile     As Scripting.File
    Set fdrFolder = fsoSysObj.GetFolder(path)
    Set Playlist = WindowsMediaPlayer1.newPlaylist("MyPlayList", "")
 
    For i = 1 To fdrFolder.Files.Count
            'Validation needed.
            Playlist.appendItem WindowsMediaPlayer1.newMedia(path & "Ad" & i & ".wmv")
    Next
    WindowsMediaPlayer1.currentPlaylist = Playlist
    WindowsMediaPlayer1.Controls.play
    subDelay (1)
    WindowsMediaPlayer1.fullScreen = True
End Sub

20120131-EE-VQP-002

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