Managed C++/CLI

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Re: Forcing GC Nish Nishant24-Jul-02 16:08 Nish Nishant 24-Jul-02 16:08  Rama Krishna wrote: Are you initialzing COM correctly - CoInitialize(NULL) ? Not using any COM, not much anyway!!! [Just a few lines to get the underlying web browser control and to set the html] Rama Krishna wrote: Since you are using MFC are you calling AfxOleInit ? Hmmm. Nope. I mean I am not calling it on my own. Dunno if that might be the problem. Because the window creation (frame and view) succeeds *if* the remote object is not obtained. It fails *only* if we have obtained the remote object very puzzling, very puzzling indeed! Anyway it's part of a work-time tracking system app that I'll be submitting to CP soon, if I can only get rid of this goddamn error Rama Krishna wrote: Put ERR,hr is watch window it will show you the reason why it failed. Huh? Just like that --- "Err,hr" Author of the romantic comedy Summer Love and Some more Cricket [New Win] Review by Shog9 Click here for review[NW] Re: Forcing GC Rama Krishna Vavilala24-Jul-02 16:10 Rama Krishna Vavilala 24-Jul-02 16:10  Nishant S wrote: Not using any COM, not much anyway!!! You need to initialize COM by calling AfxOleInit if you are using the webbrowser control. That is why Create fails. Step back, rub your eyes, take a deep breath, stretch a bit, and reflect on the relative importance of CP, CG, the age / travel time sustained by supposedly 'fresh' cheese curds, and Life in General. - Shog9 Re: Forcing GC Nish Nishant24-Jul-02 17:18 Nish Nishant 24-Jul-02 17:18  Rama Krishna wrote: You need to initialize COM by calling AfxOleInit if you are using the webbrowser control. That is why Create fails. Alright, then how does Create succeed when I don't obtain the remote object? Nish Author of the romantic comedy Summer Love and Some more Cricket [New Win] Review by Shog9 Click here for review[NW] Re: Forcing GC James T. Johnson24-Jul-02 17:31 James T. Johnson 24-Jul-02 17:31  I'm going to go out on a limb and say that it initializes COM for you and either MFC doesn't get to do its initialization or that it initializes it with settings incompatible with the web browser control. Just a guess James "Java is free - and worth every penny." - Christian Graus Re: Forcing GC Nish Nishant24-Jul-02 17:39 Nish Nishant 24-Jul-02 17:39  James T. Johnson wrote: I'm going to go out on a limb and say that it initializes COM for you and either MFC doesn't get to do its initialization or that it initializes it with settings incompatible with the web browser control. What does that mean? Nish Author of the romantic comedy Summer Love and Some more Cricket [New Win] Review by Shog9 Click here for review[NW] Re: Forcing GC Rama Krishna Vavilala25-Jul-02 2:35 Rama Krishna Vavilala 25-Jul-02 2:35  Nishant S wrote: Alright, then how does Create succeed when I don't obtain the remote object? Instead of speculating over and over, it will be useful if you add those two lines of code and see whether stuff works. Step back, rub your eyes, take a deep breath, stretch a bit, and reflect on the relative importance of CP, CG, the age / travel time sustained by supposedly 'fresh' cheese curds, and Life in General. - Shog9 Re: Forcing GC Nish Nishant25-Jul-02 4:16 Nish Nishant 25-Jul-02 4:16  Rama Krishna wrote: Instead of speculating over and over, it will be useful if you add those two lines of code and see whether stuff works. Yeah, I added them and it works now Author of the romantic comedy Summer Love and Some more Cricket [New Win] Review by Shog9 Click here for review[NW] Re: Forcing GC Rama Krishna Vavilala24-Jul-02 16:35 Rama Krishna Vavilala 24-Jul-02 16:35  I forgot to mention that you also need to call AfxEnableControlContainer. Nishant S wrote: Huh? Just like that --- "Err,hr" Yes. It is a very cool feature. Step back, rub your eyes, take a deep breath, stretch a bit, and reflect on the relative importance of CP, CG, the age / travel time sustained by supposedly 'fresh' cheese curds, and Life in General. - Shog9 Re: Forcing GC Nish Nishant24-Jul-02 17:29 Nish Nishant 24-Jul-02 17:29  Rama Krishna wrote: Yes. It is a very cool feature. Damnation!!!!!!! Err,hr is S_OK Means there was no COM error. Yet the call to Create has failed!!! Have I discovered a bug????????? Sucks!!!!!!!!!! Nish Author of the romantic comedy Summer Love and Some more Cricket [New Win] Review by Shog9 Click here for review[NW] Re: Forcing GC James T. Johnson24-Jul-02 15:58 James T. Johnson 24-Jul-02 15:58  System::GC::Collect() James "Java is free - and worth every penny." - Christian Graus Re: Forcing GC Nish Nishant24-Jul-02 16:10 Nish Nishant 24-Jul-02 16:10  James T. Johnson wrote: System::GC::Collect() Thanks Jambo. I'll try that. But what if the GC fails to recognize the unused object as a free one. How do I tell the GC that this object is now free. Will setting it to point to NULL help in freeing the now-orphaned object??? Nish Author of the romantic comedy Summer Love and Some more Cricket [New Win] Review by Shog9 Click here for review[NW] Re: Forcing GC James T. Johnson24-Jul-02 16:18 James T. Johnson 24-Jul-02 16:18  Yes, you need to set it to NULL. However it would be prudent to follow Rama's thread and get to the root of the problem instead of a hack to work around what is a bug somewhere in your code. James "Java is free - and worth every penny." - Christian Graus Re: Forcing GC Nish Nishant24-Jul-02 17:14 Nish Nishant 24-Jul-02 17:14  James T. Johnson wrote: However it would be prudent to follow Rama's thread and get to the root of the problem instead of a hack to work around what is a bug somewhere in your code. I am trying to, Jambo! I really am!! The annoying thing is that everything works fine if I don't obtain the remoted object. After that everything falls down Nish Author of the romantic comedy Summer Love and Some more Cricket [New Win] Review by Shog9 Click here for review[NW] MC++ and Consuming a Web Service Paul Watson24-Jul-02 5:24 Paul Watson 24-Jul-02 5:24  *sigh* My head hurts. So eventually I have decided to stop banging it against VS.NET, and ask you. All I want to do is use the CodeProject WebService in a MC++ class library. I tried to use the Add Web Reference method but for the life of me I cannot then use the newly created WebService.h and latestbrief.dll files. In the AutoComplete there is no reference to LatestBrief, CodeProject, Service1 or even HolyMotherOfGodThereAreALotOFThingsInAMC++AutoCompleteList. I even did what the "Walthrugh: Accessing an XML Web Service Using Managed Extensions C++" article in MSDN said. I know it is something obvious, so please, hit me with it. [edit] There is an "error" in the Task List which reads "f:\data\projects\cp+\cp+classlib\latestbrief.dll Dependency 'latestbrief' of dependency 'CP+ClassLib' is not an assembly.". Could that be the problem? If so, how the hell do I fix that without doing what the help says which is to reinstall VS.NET or the "third party component." ta [edit] thanks. regards, Paul Watson Bluegrass Cape Town, South Africa The greatest thing you'll ever learn is just to love, and to be loved in return - Moulin Rouge Alison Pentland wrote: I now have an image of you in front of the mirror in the morning, wearing your knickers, socks and shoes trying to decided if they match! Re: MC++ and Consuming a Web Service Paul Watson24-Jul-02 7:11 Paul Watson 24-Jul-02 7:11  Figured it out. Firstly intellisense did not list LatestBrief, and me not being very C++ aware, thought that meant the WebService method was not available. How naive! Still getting that Dependency 'latestbrief' of dependency 'CP+ClassLib' is not an assembly. error though. But at least I can get the data now. regards, Paul Watson Bluegrass Cape Town, South Africa The greatest thing you'll ever learn is just to love, and to be loved in return - Moulin Rouge Alison Pentland wrote: I now have an image of you in front of the mirror in the morning, wearing your knickers, socks and shoes trying to decided if they match! Re: MC++ and Consuming a Web Service Nish Nishant24-Jul-02 15:19 Nish Nishant 24-Jul-02 15:19  Paul! What are you doing??? You been MC++ing for a while now! Are you developing some kinda killer app with MC++ ??? Nish Author of the romantic comedy Summer Love and Some more Cricket [New Win] Review by Shog9 Click here for review[NW] Re: MC++ and Consuming a Web Service Paul Watson24-Jul-02 21:01 Paul Watson 24-Jul-02 21:01  Nishant S wrote: What are you doing??? You been MC++ing for a while now! Are you developing some kinda killer app with MC++ ??? LOL, all will be revealed when I submit my article for the competition (I will be shaving the closing deadline rather close ) Obviously it is not a killer app, too much overhead for me in learning MC++ to produce a killer app on my first go. But it is pretty cool nonetheless, uses a host of new capabilities in the language and framework. A clue: It uses the Code Project webservice, but is not a screen saver or a ticker effort. I actually only got serious on the article this monday, been fooling around figuring things out up until that point. Now my ass is in gear regards, Paul Watson Bluegrass Cape Town, South Africa The greatest thing you'll ever learn is just to love, and to be loved in return - Moulin Rouge Alison Pentland wrote: I now have an image of you in front of the mirror in the morning, wearing your knickers, socks and shoes trying to decided if they match! Re: MC++ and Consuming a Web Service Nish Nishant24-Jul-02 21:31 Nish Nishant 24-Jul-02 21:31  Paul Watson wrote: too much overhead for me in learning MC++ I hope some of my MC++ intro articles were useful Paul Watson wrote: I submit my article for the competition Cool! I am submitting one too Nish Author of the romantic comedy Summer Love and Some more Cricket [New Win] Review by Shog9 Click here for review[NW] Re: MC++ and Consuming a Web Service Paul Watson25-Jul-02 0:15 Paul Watson 25-Jul-02 0:15  Nishant S wrote: I hope some of my MC++ intro articles were useful Most definitley Nish. You are a great editor and article writer. You should check the messages on your articles, I posted one (the MC++ intro that that one idiot wrote that nasty post on.) Nishant S wrote: Cool! I am submitting one too Ahh damn, and here I was hoping I was going to win, and then you come along. Dang, going to have to settle for second place I guess. regards, Paul Watson Bluegrass Cape Town, South Africa The greatest thing you'll ever learn is just to love, and to be loved in return - Moulin Rouge Alison Pentland wrote: I now have an image of you in front of the mirror in the morning, wearing your knickers, socks and shoes trying to decided if they match! GetModuleFileName equivalent? Nish Nishant24-Jul-02 0:28 Nish Nishant 24-Jul-02 0:28  Would the usage of Application::ExecutablePath be a GetModuleFileName equivalent sure-fire method of getting the full path of the application executable? Regards, Nish Author of the romantic comedy Summer Love and Some more Cricket [New Win] Review by Shog9 Click here for review[NW] Weird warning when using gcroot Nish Nishant21-Jul-02 21:56 Nish Nishant 21-Jul-02 21:56  <br /> warning C4244: 'argument' : conversion from 'intptr_t' to 'int', possible loss of data while compiling class-template member function 'gcroot<T>::~gcroot(void)'<br /> Nish Author of the romantic comedy Summer Love and Some more Cricket [New Win] Review by Shog9 Click here for review[NW] Re: Weird warning when using gcroot James T. Johnson21-Jul-02 22:07 James T. Johnson 21-Jul-02 22:07  How are you using gcroot? James "Java is free - and worth every penny." - Christian Graus Re: Weird warning when using gcroot Nish Nishant22-Jul-02 18:00 Nish Nishant 22-Jul-02 18:00  Hello Rama/James It's a well know bug it seems. It happens when you use gcroot in an MFC application compiled with /clr. See this reply from a Microsoft guy in reply to a similar question that got asked in the dotnet mailing list. From: "Mark Hall (VC++)" <markhall@MICROSOFT.COM> Subject: Re: gcroot template with warning C4244? This is a mismatch between the way the GCHandle class is defined and the way C++ implements the -Wp64 warnings. In short, intptr_t and System::IntPtr were not recognized as fully compatible. This will be fixed in the next release. Author of the romantic comedy Summer Love and Some more Cricket [New Win] Review by Shog9 Click here for review[NW] Re: Weird warning when using gcroot Rama Krishna Vavilala22-Jul-02 14:58 Rama Krishna Vavilala 22-Jul-02 14:58  What is weird in it? It is very valid warning. It says that for 64 bit code your casting would create problems. What is the line of code? Step back, rub your eyes, take a deep breath, stretch a bit, and reflect on the relative importance of CP, CG, the age / travel time sustained by supposedly 'fresh' cheese curds, and Life in General. - Shog9 Re: Weird warning when using gcroot Nish Nishant22-Jul-02 17:57 Nish Nishant 22-Jul-02 17:57  Hello Rama See my reply to James T J Nish Author of the romantic comedy Summer Love and Some more Cricket [New Win] Review by Shog9 Click here for review[NW]

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