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IWMEncDataViewCollection.RemoveAll

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The RemoveAll method removes all IWMEncDataView objects from the collection.

Syntax

IWMEncDataViewCollection.RemoveAll

Parameters

This method takes no parameters.

Return Values

If this method fails, it returns an error number.

Number Description
0xC00D0011 This method cannot be called if the encoder engine is running.

Remarks

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)

' Remove all WMEncDataView objects from the collection.
  DVColl_Postview.RemoveAll

Requirements

Reference: Windows Media Encoder Preview Control

Library: wmprevu.dll

See Also