FIX: MCI32.OCX Does Not Save Recorded .WAV Files (171473)


The information in this article applies to:

  • Microsoft Visual Basic Control Creation Edition for Windows 5.0
  • Microsoft Visual Basic Learning Edition for Windows 5.0
  • Microsoft Visual Basic Professional Edition for Windows 5.0
  • Microsoft Visual Basic Enterprise Edition for Windows 5.0
This article was previously published under Q171473

SYMPTOMS

When using the Command method of the MCI32.OCX control to save a recorded WAV file, the process will not actually create the targeted file.

STATUS

Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article. This bug has been fixed in Visual Studio 97 Service Pack 2.

For more information on the Visual Studio 97 Service Pack 2, please see the following article in the Microsoft Knowledge Base:

170365 : INFO: Visual Studio 97 Service Packs - What, Where, and Why


For a list of the Visual Basic 5.0 bugs that were fixed in the Visual Studio 97 Service Pack 2, please see the following article in the Microsoft Knowledge Base:

171554 : INFO: Visual Basic 5.0 Fixes in Visual Studio 97 Service Pack 2

MORE INFORMATION

Steps to Reproduce

  1. Create a new Standard EXE project.
  2. Add a Microsoft Multimedia (MCI32.OCX) control to Form1.
  3. Add the following code to Form1. 
          Private Sub Form_Load()
          ' Set properties needed by MCI to open.
          MMControl1.Notify = False
          MMControl1.Wait = True
          MMControl1.Shareable = False
          MMControl1.DeviceType = "WaveAudio"
          MMControl1.filename = "C:\temp\test.wav"

          ' Open the MCI WaveAudio device.
          MMControl1.Command = "Open"
      End Sub

      Private Sub MMControl1_StopClick(Cancel As Integer)
          MMControl1.Command = "Save"
          MMControl1.Command = "Close"
      End Sub
  4. Run the application (Press F5).
  5. Click the Record button, then wait for a few seconds.
  6. Click the Stop button. Notice that the folder "C:\TEMP" does not contain the file "test.wav" as expected.
Modification Type:MajorLast Reviewed:12/10/2003
Keywords:kbbug kbfix kbvbp500sp2fix kbVS97sp2fix KB171473
©2003 Microsoft Corporation. All rights reserved.