IWMSActiveMedia Object (Visual Basic .NET)
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IWMSActiveMedia Object (Visual Basic .NET)
The IWMSActiveMedia object provides information about the currently active media element in a playlist. A media element can include both audio and video streams.
The IWMSActiveMedia object exposes the following properties and methods.
Property | Description |
Duration | Retrieves the total length of the media element, in milliseconds. |
Live | Retrieves a Boolean value that indicates whether the media element originates from a live source. |
Streams | Retrieves an IWMSActiveStreams object that contains a collection of the media streams that make up the active media element. |
TotalPackets | Retrieves the total number of data packets contained in the active media element. |
Method | Description |
GetProperty | Retrieves a specific property from the active media element. |
Example Code
The following example illustrates how to retrieve an IWMSActiveMedia object.
Imports Microsoft.WindowsMediaServices.Interop Imports System.Runtime.InteropServices Private Sub RetrieveObj() ' Declare variables. Dim Server As WMSServer Dim Players As IWMSPlayers Dim Player As IWMSPlayer Dim Playlist As IWMSPlaylist Dim ActiveMedia As IWMSActiveMedia Try ' Create the WMSServer object. Server = New WMSServer() ' Retrieve the IWMSPlayers object. Players = Server.Players ' If players are connected, retrieve first IWMSPlayer object ' in the IWMSPlayers collection. If Server.Players.Count > 0 Then Player = Server.Players.Item(0) End If ' Retrieve the IWMSPlaylist object for the player. ' NOTE: A valid playlist file is not always returned. ' This may be the case, for example, if the user requested ' a specific content file or if a broadcast ' publishing point is being used. Playlist = Player.RequestedPlaylist If Not Playlist Is Nothing Then ' Retrieve the IWMSActiveMedia object. ActiveMedia = Playlist.CurrentMediaInformation End If Catch excCom As COMException ' TODO: Handle COM exceptions. Catch exc As Exception ' TODO: Handle errors. Finally ' TODO: Clean-up code goes here. End Try End Sub
See Also
- IWMSActiveStream Object (Visual Basic .NET)
- IWMSPlayer Object (Visual Basic .NET)
- IWMSPlaylist Object (Visual Basic .NET)
- Server Object Model (Visual Basic .NET)
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