BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  TIdTCPServer and COM          BorlandTalk.com Forum Index -> Delphi Internet Winsock View previous topic :: View next topic   Author Message Soeren Muehlbauer Guest Posted: Tue Dec 27, 2005 7:14 pm    Post subject: TIdTCPServer and COM Hi, I have a TIdTCPServer and have filled out the DoExecute Routine. In this Routine i poll with some read. On receiving a complete packet from the client i do some work. This work includes the creation of an Inproc-comobject. The problem is that i have to call coinitialize to get the correct threading model. But if i call counitialize after i have done my work with the com object the corresponding dll gets unloaded. If i get many connections there is a permament loading/unloading of the com dll. How can i change this? Is it allowed to start my own loop inside of DoExecute? Whats the end-trigger? Thanks, Soeren Back to top Remy Lebeau (TeamB) Guest Posted: Wed Dec 28, 2005 10:07 am    Post subject: Re: TIdTCPServer and COM "Soeren Muehlbauer" <soeren.dd (AT) gmx (DOT) de> wrote Quote: The problem is that i have to call coinitialize to get the correct threading model. Yes, because TIdTCPServer runs each connection in its own worker thread. You have to initialize every thread before you can make any COM-related calls in it. Quote: Is it allowed to start my own loop inside of DoExecute? I would not recommend that. I would recommend that you use the server's OnConnect and OnDisconnect events instead. The only disadvantage to the above is that if you use thread-pooling, you are still potentially calling Co(Un)Initialize() multiple times for any given thread instance. Assuming that you are using Indy 9, then a better solution would be to derive a new class from TIdPeerThread, override its Execute() and DoTerminate() methods to call Co(Un)Initialize() (respectively), and then set the server's ThreadClass property before activating it. 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