IWMSAdminMulticastSink.MulticastTtl (Visual Basic .NET)

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IWMSAdminMulticastSink.MulticastTtl (Visual Basic .NET)

The MulticastTtl property specifies and retrieves the maximum permitted number of intermediate router hops for the multicast transmission.

Syntax

  IWMSAdminMulticastSink
  .MulticastTtl = Integer
Integer = IWMSAdminMulticastSink.MulticastTtl

Property Value

Integer containing the time-to-live (TTL) value. This value cannot be less than zero or greater than 255.

If this property fails, it throws an exception.

Number	Description
0x80070057	The parameter is less than zero or greater than 255.

Example Code

Imports Microsoft.WindowsMediaServices.Interop
Imports System.Runtime.InteropServices

Private Sub SetRouterHops()

    ' Declare variables.
    Dim Server As WMSServer
    Dim BCPubPoint As IWMSBroadcastPublishingPoint
    Dim Plugin As IWMSPlugin
    Dim AdminMulticastSink As IWMSAdminMulticastSink

Try
    ' Create the WMSServer object.
    Server = New WMSServer()

    ' Add a new broadcast publishing point.
    BCPubPoint = Server.PublishingPoints.Add("NewPubPoint", _
         WMS_PUBLISHING_POINT_CATEGORY.WMS_PUBLISHING_POINT_BROADCAST, _
         "Push:*")

    ' Retrieve the plug-in to be configured.
    Plugin = BCPubPoint.BroadcastDataSinks.Item( _
         "WMS Multicast Data Writer")

    ' Retrieve the custom interface of the plug-in.
    AdminMulticastSink = Plugin.CustomInterface

    ' Set the maximum permitted number of intermediate
    ' router hops for the multicast broadcast.
    AdminMulticastSink.MulticastTTL = 20

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

Requirements

Reference: Add a reference to Microsoft.WindowsMediaServices.

Namespace: Microsoft.WindowsMediaServices.Interop.

Assembly: Microsoft.WindowsMediaServices.dll.

Library: WMSServerTypeLib.dll.

Platform: Windows Server 2003, Enterprise Edition; Windows Server 2003, Datacenter Edition; Windows Server 2008 Enterprise; Windows Server Datacenter.

See Also

• IWMSAdminMulticastSink Object (Visual Basic .NET)

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