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IWMSCacheProxyServer::CancelDownloadContent

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IWMSCacheProxyServer::CancelDownloadContent

The CancelDownloadContent method is called by the cache plug-in to stop the download process.

Syntax

  HRESULT CancelDownloadContent(
  
  IWMSContext*
  
  pArchiveContext
  ,
  
  IWMSCacheProxyServerCallback*
  
  pCallback
  ,
  
  VARIANT
  
  varContext
  
  );

Parameters

pArchiveContext

[in] Pointer to an IWMSContext interface containing an archive context. This is the same context that the server passed to the plug-in when it called IWMSCacheProxyServerCallback::OnDownloadContentProgress.

pCallback

[in, optional] Pointer to an IWMSCacheProxyServerCallback interface. The server calls IWMSCacheProxyServerCallback::OnCancelDownloadContent to respond to the plug-in.

varContext

[in, optional] VARIANT containing a value defined by the plug-in. For example, your plug-in can use this parameter to persist state information. The server does not alter this value and passes it back when calling IWMSCacheProxyServerCallback::OnCancelDownloadContent.

Return Values

If the method succeeds, it returns S_OK. If it fails, it returns an HRESULT error code.

Return code Number Description
E_INVALIDARG 0x80070057 The pArchiveContext parameter is NULL.
E_UNEXPECTED 0x8000FFFF The archive has not been started or is already in the process of stopping.
E_OUTOFMEMORY 0x8007000E The server could not allocate a command context.

Requirements

Header: streamcache.h.

Library: WMSServerTypeLib.dll.

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

See Also

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