To create the instance of COM componet use the following

WIN32 APIs

To access the component that was there in local system use

following API

CoCreateInstance(clsid,NULL(used for

aggregation),CLSCTX_ALL,Interface_GUID,(void**)

&pRequestedInterface );

To access the COM componet remotely use the following API

CoCreateInstanceEx

(CLSID,NULL,CLSCTX_ALL,COSERVERINFO,Interface_GUID,MULTI_QI*

);