Connecting to the Object Application - OLE Programmer's Reference

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Connecting to the Object Application

An internal OLE component ensures that when a client request is made, the appropriate object is connected and ready to receive the request. OLE keeps a database of class information based on the system registry that the client caches locally through the COM library.

When the server is an in-process DLL, OLE simply passes the name of the DLL to the COM library. The COM library then loads the server and makes the method call. When the server is an executable in another process, OLE either creates the server process and starts the server or contacts it directly if it is already running.

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