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IWMSContext::GetContextType
The GetContextType method retrieves the type of context.
Syntax
HRESULT GetContextType( WMS_CONTEXT_TYPE* pType );
Parameters
pType
[out] Pointer to a WMS_CONTEXT_TYPE enumeration value specifying the type of context. This must be one of the following values.
| Value | Description |
| WMS_UNKNOWN_CONTEXT_TYPE | The type of the context is unknown. |
| WMS_SERVER_CONTEXT_TYPE | The context contains information about the server. |
| WMS_USER_CONTEXT_TYPE | The context contains information about the client. |
| WMS_PRESENTATION_CONTEXT_TYPE | The context contains information about the content being streamed to clients. |
| WMS_CONTENT_DESCRIPTION_CONTEXT_TYPE | The context contains descriptive information about the content. |
| WMS_COMMAND_REQUEST_CONTEXT_TYPE | The context contains information about client requests. |
| WMS_COMMAND_RESPONSE_CONTEXT_TYPE | The context contains information about server responses to client requests. |
| WMS_TRANSPORT_SPEC_CONTEXT_TYPE | The context contains information about the transport used to deliver the stream, either UDP, TCP, or multicast. |
| WMS_PACKETIZER_CONTEXT_TYPE | The context contains information about data packets. |
| WMS_CACHE_CONTENT_INFORMATION_CONTEXT_TYPE | The context contains information about a cache. |
| WMS_ARCHIVE_CONTEXT_TYPE | The context contains information about an archive. |
Return Values
If the method succeeds, it returns S_OK. If it fails, it returns an HRESULT error code.
| Return code | Number | Description |
| E_POINTER | 0x80004003 | The pType parameter is NULL. |
Example Code
// Declare variables
HRESULT hr = S_OK;
WMS_CONTEXT_TYPE ct;
// Retrieve the context type.
if (NULL != pContentDescCtx)
{
hr = pContentDescCtx->GetContextType(&ct);
if (FAILED(hr)) goto EXIT;
}
EXIT:
// TODO: Release temporary objects.
Requirements
Header: wmscontext.h.
Library: WMSServerTypeLib.dll.
Platform: Windows Server 2003, Enterprise Edition; Windows Server 2003, Datacenter Edition; Windows Server 2008.
See Also
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