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IWMSAdminUnicastSink::put_ThirdPartyStreamingEnabled
The put_ThirdPartyStreamingEnabled method specifies a Boolean value indicating whether UDP packets can be sent to an IP address that differs from the address of the client's TCP connection.
Syntax
Parameters
fEnabled
[in] VARIANT_BOOL indicating whether UDP packets can be sent to a third-party.
Return Values
If the method succeeds, it returns S_OK. If it fails, it returns an HRESULT error code.
Remarks
Third party streaming occurs when a client connects to a server and requests that the content by sent to another client.
Example Code
#include <windows.h>
#include <atlbase.h> // Includes CComVariant.
// To access system plug-in interfaces, the
// entire type library must be imported as shown.
#import "WMSServerTypeLib.dll" no_namespace named_guids \
raw_interfaces_only
// Declare variables and interfaces.
IWMSServer *pServer;
IWMSPlugins *pPlugins;
IWMSPlugin *pPlugin;
IDispatch *pDispatch;
IWMSAdminUnicastSink *pAdminUnicastSink;
HRESULT hr;
CComVariant varIndex;
// Initialize the COM library and retrieve a pointer
// to an IWMSServer interface.
hr = CoInitialize(NULL);
hr = CoCreateInstance(CLSID_WMSServer,
NULL,
CLSCTX_ALL,
IID_IWMSServer,
(void **)&pServer);
if (FAILED(hr)) goto EXIT;
// Retrieve a pointer to an IWMSPlugins interface
// containing unicast data sink plug-ins.
hr = pServer->get_UnicastDataSinks(&pPlugins);
if (FAILED(hr)) goto EXIT;
// Retrieve a pointer to the IWMSPlugin interface
// of the plug-in to be configured.
varIndex = "WMS Unicast Data Writer";
hr = pPlugins->get_Item(varIndex, &pPlugin);
if (FAILED(hr)) goto EXIT;
// Retrieve a pointer to the custom interface
// of the plug-in.
hr = pPlugin->get_CustomInterface(&pDispatch);
if (FAILED(hr)) goto EXIT;
// Query the specific administration interface
// for the plug-in.
hr = pDispatch->QueryInterface(IID_IWMSAdminUnicastSink,
(void **)&pAdminUnicastSink);
if (FAILED(hr)) goto EXIT;
// Set a Boolean value indicating whether UDP
// packets can be sent to a third-party destination.
hr = pAdminUnicastSink->put_ThirdPartyStreamingEnabled(VARIANT_FALSE);
if (FAILED(hr)) goto EXIT;
EXIT:
// TODO: Release temporary COM objects and uninitialize COM.
Requirements
Library: WMSServerTypeLib.dll.
Platform: Windows Server 2003 family, Windows Server 2008 family.
See Also
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