Microsoft Access, Office/VBA, VB6 Modules royalty-free source code library

Microsoft Access Modules royalty-free source code library

Microsoft Access VBA and VB6 Module Library

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Class: AVI32 in Category General VBA/VB6 : Multimedia from Total Visual SourceBook

Play AVI files using the MCI (media control interface) 32-bit Windows API for VB6 and 32-bit VBA.

This class allows you to interact with AVI movies without using the Microsoft Multimedia Control. This class also allows you to play movies on your form. With the Microsoft Multimedia Control you can only play movies in a separate window. It does not support Windows 64-bit VBA.

Procedure List

Procedure Name	Type	Description
(Declarations)	Declarations	Declarations and private variables for the CAVI32 class.
FileName	Property	Get the file name of the AVI file to play.
Height	Property	Get the height of the playback window.
hWnd	Property	Get handle of the AVI window.
hWndParent	Property	Get the handle of the parent window. This property is only valid after calling the OpenAVI method.
Left	Property	Get the left position of the playback window in pixels, relative to the parent window.
Length	Property	Get the length of the AVI movie.
Position	Property	Get the current playback position.
Stretch	Property	Get the value of the stretch flag.
Top	Property	Set the top position of the playback window in pixels, relative to the parent window.
Width	Property	Get the width of the playback window.
Class_Terminate	Terminate	Close the AVI file.
CloseAVI	Method	Close the AVI file.
OpenAVI	Method	Open the AVI file. This must be called before attempting to play the AVI file.
Pause	Method	Pause the playback.
Play	Method	Play the AVI file.
Rewind	Method	Rewind the movie.
StopPlay	Method	Stop the AVI player.
PositionMovieWindow	Private	Position the movie playback window. If stretch is True, then make the playback window the size indicated in the width and height properties. Otherwise modify it to the size of the movie starting at the left and top properties. All measurements are in pixels.

Example Code for Using Class: AVI32

' Example of the CAVI32 Class
'
' To try this example, do the following:
' 1. Create a new form
' 2. Add a command button called 'cmdPlay'
' 3. Add a command button called 'cmdStop'
' 4. Add a command button called 'cmdPause'
' 5. Add a command button called 'cmdRewind'
' 6. Add a check box called 'chkStretch'
' 7. Add an image control called 'ImgMovie'
' 8. Paste all the code from this example to the new form's module
' 9. Run the form

' This example assumes that the sample files are located in the folder named by the following constant.
Private Const mcstrSamplePath As String = "C:\TVSBSamp"

Private mclsAVI As CAVI32

Private Sub chkStretch_Click()
  mclsAVI.Stretch = (chkStretch = 1)
End Sub

Private Sub cmdPause_Click()
  mclsAVI.Pause
End Sub

Private Sub cmdPlay_Click()
  mclsAVI.Play
End Sub

Private Sub cmdRewind_Click()
  mclsAVI.Rewind
End Sub

Private Sub cmdStop_Click()
  mclsAVI.StopPlay
End Sub

Private Sub Form_Load()
  Set mclsAVI = New CAVI32

  cmdPlay.Caption = "Play"
  cmdStop.Caption = "Stop"
  cmdPause.Caption = "Pause"
  cmdRewind.Caption = "Rewind"

  ' Position movie
  mclsAVI.Left = ImgMovie.Left / Screen.TwipsPerPixelX
  mclsAVI.Top = ImgMovie.Top / Screen.TwipsPerPixelX
  mclsAVI.Width = ImgMovie.Width / Screen.TwipsPerPixelX
  mclsAVI.Height = ImgMovie.Height / Screen.TwipsPerPixelX

  ' Specify file
  mclsAVI.FileName = mcstrSamplePath & "\test.avi"

  ' Set the parent of the movie window
  mclsAVI.hWndParent = Me.hWnd

  ' Open movie
  mclsAVI.OpenAVI

End Sub

Private Sub Form_Unload(Cancel As Integer)
  Set mclsAVI = Nothing
End Sub

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