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WMRMRestrictions.AddExtension
The AddExtension method specifies the extended technologies that are allowed to play protected analog video content.
Syntax
WMRMRestrictions.AddExtension(guid, byteVal)
Parameters
guid
[in] A String specifying the GUID of the extended technology to add. For information about the current GUIDs for extended technologies, see the document WMRM SDK Compliance Rules that accompanied your license agreement from Microsoft.
byteVal
[in] Reserved for future use. Specify 1.
Return Values
This method does not return a value.
Remarks
Due to licensing restrictions, certain technologies, categorized as extended technologies, must be explicitly enabled.
Example Code
' Set playback and copy restrictions.
Dim RestrictObj ' WMRMRestrictions object
Dim PlayRestrictions ' Playback restrictions
Dim CopyRestrictions ' Copy restrictions
Set RestrictObj = Server.CreateObject("WMRMObjs.WMRMRestrictions")
' Set output protection levels for playback.
Call RestrictObj.AddRestriction(1, 300) ' Uncompressed digital video
Call RestrictObj.AddRestriction(2, 500) ' Compressed digital video
Call RestrictObj.AddRestriction(3, 200) ' Analog video
Call RestrictObj.AddRestriction(4, 200) ' Compressed digital audio
Call RestrictObj.AddRestriction(5, 200) ' Uncompressed digital audio
' Add an extended technology for playing analog video.
Call RestrictObj.AddExtension("{C3FD11C6-F8B7-4d20-B008-1DB17D61F2DA}", 1)
' Get the playback restrictions string.
PlayRestrictions = RestrictObj.GetRestrictions
' Set output protection levels for copying.
Set RestrictObj = Nothing
Set RestrictObj = Server.CreateObject("WMRMObjs.WMRMRestrictions")
Call RestrictObj.AddRestriction(6, 400) ' Copied output.
' Get the copy restrictions string.
CopyRestrictions = RestrictObj.GetRestrictions
Requirements
Version: Windows Media Rights Manager 10 SDK
Reference: wmrmobjs 1.0 Type Library
Library: wmrmobjs.dll
Platform: Windows Server 2003
See Also