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WMRMMetering.Challenge

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WMRMMetering.Challenge

The Challenge property specifies and retrieves the metering challenge.

Syntax

String = WMRMMetering.Challenge
WMRMMetering.Challenge = String

Parameters

This property takes no parameters.

Return Values

If the method succeeds, it returns a String containing the metering challenge. If it fails, it returns a number in the error object.

Example Code

'"""""""""""""""""""""""""""""""""""""""""""""""""""""
' Declare variables.
'""""""""""""""""""""""""""""""""""""""""""""""""""""" 
Dim MObj                    ' WMRMMetering object
Dim MDataObj                ' WMRMMeteringData object
Dim MContentCollObj         ' WMRMMeteringContentCollection object
Dim MContentObj             ' WMRMMeteringContent object
Dim MActionCollObj          ' WMRMMeteringActionCollection object
Dim MActionObj              ' WMRMMeteringAction object

Dim MeterChallenge          ' Metering challenge from the client
Dim MASPrivateKey           ' Private key of the metering aggregation service
Dim MeterCert               ' Metering certificate
Dim MeterXMLString          ' Metering data in XML format
Dim MeterID                 ' Metering ID
Dim TransID                 ' Transaction ID
Dim ContentCollLength       ' Number of items in the content collection
Dim ContentKeyID            ' Key ID for a content item
Dim ActionCollLength        ' Number of items in the action collection
Dim ActionName              ' Action name
Dim ActionValue             ' Action count
Dim MeterResponseString     ' Metering response string
Dim x, y                    ' Counters

'"""""""""""""""""""""""""""""""""""""""""""""""""""""
' Set variables.
'"""""""""""""""""""""""""""""""""""""""""""""""""""""
MeterChallenge = "<Replace with a metering challenge from the client>"
MeterCert = "<Replace with your metering certificate>"
MASPrivateKey = "<Replace with the private key for your service>"

'"""""""""""""""""""""""""""""""""""""""""""""""""""""
' Extract metering data an a WMRMMeteringData object and as an XML string.
'"""""""""""""""""""""""""""""""""""""""""""""""""""""
Set MObj = Server.CreateObject("WMRMObjs.WMRMMetering")
MObj.ServerPrivateKey = MASPrivateKey
MObj.Challenge = MeterChallenge
Set MDataObj = MObj.GetMeteringData
Set MeterXMLString = MObj.GetMeteringDataAsXml
MeterID = MDataObj.MeteringId
TransID = MDataObj.TransactionId

'"""""""""""""""""""""""""""""""""""""""""""""""""""""
' Retrieve the collection of content items.
'"""""""""""""""""""""""""""""""""""""""""""""""""""""
Set MContentCollObj = MDataObj.ContentCollection
ContentCollLength = MContentCollObj.length

'"""""""""""""""""""""""""""""""""""""""""""""""""""""
' Retrieve the key ID and action data for each content item.
'"""""""""""""""""""""""""""""""""""""""""""""""""""""
For x = 0 To (ContentCollLength - 1)
    Set MContentObj = MContentCollObj.item(x)
    ContentKeyID = MContentObj.KeyID

    '"""""""""""""""""""""""""""""""""""""""""""""""""""""
    ' Retrieve the collection of actions for the current content item.
    '"""""""""""""""""""""""""""""""""""""""""""""""""""""
    Set MActionCollObj = MContentObj.Actions
    ActionCollLength = MActionCollObj.length

    '"""""""""""""""""""""""""""""""""""""""""""""""""""""
    ' Retrieve each action and its value.
    '"""""""""""""""""""""""""""""""""""""""""""""""""""""
    For y = 0 To ActionCollLength - 1
        Set MActionObj = MActionCollObj.item(y)
        ActionName = MActionObj.Name
        ActionValue = MActionObj.Value
    Next
Next

'"""""""""""""""""""""""""""""""""""""""""""""""""""""
' Generate the metering response.
'""""""""""""""""""""""""""""""""""""""""""""""""""""" 
MObj.MeteringCertificate = MeterCert
MeterResponseString = MObj.GetMeteringResponse

Requirements

Version: Windows Media Rights Manager 10 SDK or later

Reference: wmrmobjs 1.0 Type Library

Library: wmrmobjs.dll

Platform: Windows Server 2003

See Also

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© 2007 Microsoft Corporation. All rights reserved.


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