BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  DeskBand App          BorlandTalk.com Forum Index -> C++ Builder (ActiveX) View previous topic :: View next topic   Author Message Sam S. Firouz Guest Posted: Tue Mar 08, 2005 4:16 pm    Post subject: DeskBand App I have been reading about Desk Band application for the past week and I am lost. According to Microsoft (I quote) "In addition to IUnknown and IClassFactory, all band objects must implement the following interfaces. a.. IDeskBand b.. IObjectWithSite c.. IPersistStream" How do I create a desk band in C++ Builder? Maybe my understanding of interfaces is wrong. Could someone PLEASE help me? Thank you, Sam Back to top Remy Lebeau (TeamB) Guest Posted: Tue Mar 08, 2005 5:52 pm    Post subject: Re: DeskBand App "Sam S. Firouz" <sfirouz (AT) Hotmail (DOT) com> wrote Quote: How do I create a desk band in C++ Builder? What EXACTLY are you having a problem with? What does your existing code look like, and what are you having a problem doing with it? You need to provide specific details. Gambit Back to top Sam S. Firouz Guest Posted: Tue Mar 08, 2005 7:11 pm    Post subject: Re: DeskBand App I don't have any code yet. I don't know where to start. I know how to create a ActiveX Library. I also know how to create a COM object. But how do I make my object implement other interfaces? (IE, IDeskBand, IObjectWithSite, IPersistStream) I thought my object should drive from these classes in orther to expose thire functionality. But where do I get them from? Sam "Remy Lebeau (TeamB)" <no.spam (AT) no (DOT) spam.com> wrote Quote: "Sam S. Firouz" <sfirouz (AT) Hotmail (DOT) com> wrote in message news:422dd267$3 (AT) newsgroups (DOT) borland.com... How do I create a desk band in C++ Builder? What EXACTLY are you having a problem with? What does your existing code look like, and what are you having a problem doing with it? You need to provide specific details. Gambit Back to top Remy Lebeau (TeamB) Guest Posted: Tue Mar 08, 2005 7:36 pm    Post subject: Re: DeskBand App "Sam S. Firouz" <sfirouz (AT) Hotmail (DOT) com> wrote Quote: I don't have any code yet. I don't know where to start. I know how to create a ActiveX Library. I also know how to create a COM object. Then it sounds like you already know where to start. Quote: But how do I make my object implement other interfaces? Simply add those interfaces to your Impl class's ancestor list, and then implement the interface's methods directly in the Impl class. Also make sure the interfaces appear in the Impl class's COM_MAP. Quote: I thought my object should drive from these classes in orther to expose thire functionality. That is exactly what you do. Gambit Back to top Sam S. Firouz Guest Posted: Tue Mar 08, 2005 7:51 pm    Post subject: Re: DeskBand App Quote: Simply add those interfaces to your Impl class's ancestor list, and then implement the interface's methods directly in the Impl class. Also make sure the interfaces appear in the Impl class's COM_MAP. How do I do that? Inside which DLL/OCX do they reside? Thank you, Sam Back to top Remy Lebeau (TeamB) Guest Posted: Tue Mar 08, 2005 8:32 pm    Post subject: Re: DeskBand App "Sam S. Firouz" <sfirouz (AT) Hotmail (DOT) com> wrote Quote: How do I do that? Edit the Impl class's .h and .cpp files directly. Quote: Inside which DLL/OCX do they reside? You don't need that. Just add the appropriate header file(s) to your Impl class's header file, then add the interfaces to your Impl class's ancestor list, add the interfaces to the Impl class's COM_MAP, and then add the method declarations. Then in the Impl class's .cpp file, write the implementation code for the methods. Gambit Back to top Sam S. Firouz Guest Posted: Tue Mar 08, 2005 8:43 pm    Post subject: Re: DeskBand App Quote: Inside which DLL/OCX do they reside? You don't need that. Just add the appropriate header file(s) to your Impl class's header file, then add the interfaces to your Impl class's ancestor list, add the interfaces to the Impl class's COM_MAP, and then add the method declarations. Then in the Impl class's .cpp file, write the implementation code for the methods. But I don't have the header files for IDeskBand, ... I have to import them from somewhere. I am assuming from another type library. Thank you, Sam Back to top Remy Lebeau (TeamB) Guest Posted: Tue Mar 08, 2005 9:09 pm    Post subject: Re: DeskBand App "Sam S. Firouz" <sfirouz (AT) Hotmail (DOT) com> wrote Quote: But I don't have the header files for IDeskBand Yes, you do. It is defined in shlobj.h in BCB3-5, and in shobjidl.h in BCB6. Quote: I have to import them from somewhere. No, you do not. Gambit Back to top Sam S. Firouz Guest Posted: Tue Mar 08, 2005 10:46 pm    Post subject: Re: DeskBand App Thanks Sam "Remy Lebeau (TeamB)" <no.spam (AT) no (DOT) spam.com> wrote Quote: "Sam S. Firouz" <sfirouz (AT) Hotmail (DOT) com> wrote in message news:422e0d0c$1 (AT) newsgroups (DOT) borland.com... But I don't have the header files for IDeskBand Yes, you do. It is defined in shlobj.h in BCB3-5, and in shobjidl.h in BCB6. I have to import them from somewhere. No, you do not. 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