The ILogPlugin::InitializeLog method initializes a plug-in module for a particular virtual server. The plug-in module reads configuration data from the key specified in the MetabasePath parameter.
virtual HRESULT STDMETHODCALLTYPE InitializeLog(
IN LPCSTR InstanceName, //identifies the relevant virtual
// directory
IN LPCSTR MetabasePath, //search path for the metabase key
IN PCHAR pvIMDCOM //pointer to a handle to the metabase COM
// object.
);