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IWMEncDataViewCollection.Count

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The Count property retrieves the number of IWMEncDataView objects in the collection.

Syntax

Long = IWMEncDataViewCollection.Count

Parameters

This property takes no parameters.

Property Value

A Long that indicates the number of objects in the collection.

Remarks

This property is read-only.

To display previews and postviews, you must add the Windows Media Encoder Preview Control reference to the project. For more information, see Programming in Visual Basic.

Example Code

' Create a WMEncoder object.
  Dim Encoder As WMEncoder
  Set Encoder = New WMEncoder

' Configure the encoding session including the input sources,
' the profile, and the output.

' Retrieve an IWMEncDataViewCollection object from the
' video source object to display a postview.
  Dim DVColl_Postview As IWMEncDataViewCollection
  Set DVColl_Postview = SrcVid.PostviewCollection

' Create a WMEncDataView object.
  Dim PostView As WMEncDataView
  Set PostView = New WMEncDataView

' Add the WMEncDataView object to the collection.
  Dim lPostviewStream As Long
  lPostviewStream = DVColl_Postview.Add(PostView)

' Retrieve the number of items in the data view collection.
  Dim lDVCount as Long
  lDVCount = DVColl_Postview.Count

Requirements

Reference: Windows Media Encoder Preview Control

Library: wmprevu.dll

See Also