IWMSCacheItemDescriptor.GetOriginUrl (Visual Basic .NET)
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IWMSCacheItemDescriptor.GetOriginUrl (Visual Basic .NET)
The GetOriginUrl method retrieves the URL on the origin server from which the cached content was obtained.
Syntax
Parameters
pbstrOriginUrl
[out] Reference to a String containing the URL.
Return Values
This method does not return a value. To report an error, the plug-in can throw a COMException object to the server. If the plug-in uses the IWMSEventLog object to log error information, it is recommended that it throw NS_E_PLUGIN_ERROR_REPORTED (0xC00D157D). Typically, the server attempts to make plug-in error information available to the server object model, the Windows Event Viewer, and the troubleshooting list in the details pane of the Windows Media Services MMC. However, if the plug-in uses the IWMSEventLog object to send custom error information to the Windows Event Viewer, throwing NS_E_PLUGIN_ERROR_REPORTED stops the server from also logging to the event viewer. For more information about plug-in error information, see Identifying Plug-in Errors.
Example Code
Imports Microsoft.WindowsMediaServices.Interop
Imports System.Runtime.InteropServices
Public Sub GetOriginUrl(ByRef Url As String) _
Implements IWMSCacheItemDescriptor.GetOriginUrl
Try
' Retrieve the URL from the DataTable object.
Url = Convert.ToString(Row("OriginUrl"))
Catch Exc As COMException
Throw New COMException()
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.
See Also
- IWMSCacheItemCollection.GetItem (Visual Basic .NET)
- IWMSCacheItemDescriptor Object (Visual Basic .NET)
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