COM

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Interface leak mango_lier22-Sep-05 11:45 mango_lier 22-Sep-05 11:45  My first foray in COM and active scripting. When I run my app, I get the following message in the Debug windows "INTERFACE LEAK: Ref Count = 1, MaxRefCount = 3, {Allocation =6} MyFunction - IDispatch" It looks like the ATL debug trace is trying to tell me something but what is it and where should I start. Thanks Re: Interface leak Anonymous23-Sep-05 5:30 Anonymous 23-Sep-05 5:30  Your calls of AddRef() and Release() on a COM-Interface are not balanced. Re: Interface leak mango_lier23-Sep-05 6:58 mango_lier 23-Sep-05 6:58  Thanks for the information, that is what I was suspecting, after going through some COM documentation. I guess the traces in the debug window are trying to tell me the count of AddRef and Release with ">" "<" count. problem with imnact.h rajeevktripathi22-Sep-05 1:40 rajeevktripathi 22-Sep-05 1:40  Hi all I want to use IImnAccountManager Interface for outlook express accounts management. It requires "imnact.h" header file, I searched into my system this file is not present there also I searched to net but didn't get any important information related to this file. So please tell me that where can I hget this file from? Please help me. Thanks. Debugging DLL Venkata Rama Subbarao21-Sep-05 22:49 Venkata Rama Subbarao 21-Sep-05 22:49  I had a component which has automation support and i am calling the component from the HTML page which contains VBSCRIPT. Every thing is working fine. but i am not able to debug the Component. i tried with inetinfo.exe and dllhost.exe. Kindly help me what is the process i need to attach for debugging this component and generally how can i know what is the process i need to attach for debugging the DLL's subbarao. Re: Debugging DLL rwestgraham22-Sep-05 11:55 rwestgraham 22-Sep-05 11:55  See the reference: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vsdebug/html/_core_debugging_an_activex_control.asp[^] Basically once you configure debugging to use IE, you load the page that calls your component, make sure you have set a breakpoint wherever the component code starts execution (class or sub main, etc) and you should be able to start stepping through the code. Re: Debugging DLL Venkata Rama Subbarao28-Sep-05 0:51 Venkata Rama Subbarao 28-Sep-05 0:51  Thanks for your answer. I got this problem solved. But I need some more information. Is there any way to find what process we need to attach to debug the DLL (MFC or ATL) like by codewalthrough or going through Registry Entries etc.. To restore menu items of context menu in IE after adding custom items aaBad21-Sep-05 16:58 aaBad 21-Sep-05 16:58  I'm writing a plugin for IE. It's needed to customize IE context menu. I used CHostUIHandler::ShowContextMenu() for it. I have loaded SHDOCLC.DLL inside this function and have gotten standard IE context menu and it was restored. OK. But the context menu has additional menu items which have been loaded from the registry: HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\MenuExt Now context menu has 2 separators only instead these additional items. Can somebody to advise me how correctly restore IE context menu completly. Thanks. Outlook Options Dialog Geralzibob21-Sep-05 12:30 Geralzibob 21-Sep-05 12:30  Hello I have a working Outlook COM AddIn and but I have run into a problem. I can’t figure out how to access the information contained in the Options Dialog under the tools menu. It appears that it’s possible to add more tabs to the dialog but not access the already existing ones. More specifically I need to access the “Always check spelling before sending” option on the ‘Spelling’ tab. The COM places a button on the standard tool bar of the new mail inspector. The button simply sends the mail, and logs some details about that mail to an external application. However simply calling the MailItem.Send() function does not trigger the spell checker the same way actually pushing the Send button does. As a result I need to access the “Always check spelling before sending” option, so as to decide whether or not to show the spell check dialog. The only other option I can see is to add an extra tab of my own to the options dialog and include some properties I can access. This seems stupid when there is already a perfectly good property hidden away some where. Help me please I’m going insane Gerry example project where in ROT is used Bhargava Alanka20-Sep-05 4:03 Bhargava Alanka 20-Sep-05 4:03  please give me an example project where in ROT is used Bhargava Alanka Example of Com component where ROT is used Bhargava Alanka20-Sep-05 2:15 Bhargava Alanka 20-Sep-05 2:15  I need an sample example of com component(code) where in the sever is implementing the Imoniker and it is been registered in Runtime Object Table. please give me the client program to call that component Bhargava Alanka Re: Example of Com component where ROT is used Roger Stoltz20-Sep-05 3:07 Roger Stoltz 20-Sep-05 3:07  Have a look at this: http://support.microsoft.com/default.aspx?scid=kb;en-us;155690[^] It should contain sample code applicable for both the server and the client. -- Roger SNMP++ and AGENT++ Mukhan20-Sep-05 1:41 Mukhan 20-Sep-05 1:41  Hi freinds.. I wanna implement SNMPv2c and MIB-II under windowsXP plateform..... SNMP++ and AGENT++ APIs provided by HP people are providing all the ground work for the implementation of SNMPv2c, i have a confusion if someone out of you have used these APIs can clarify this .... SNMP++ and Agent++ APIs are providing only the options of MIB II´s System and SNMP Group implementation.... But i want to implement all the groups in MIB-II. So using the same APIs is it possible to implement other groups? Please give ur suggestions in this regard ... i will be grateful ..... Thanling you all in anticipation Mukhan how to know that the Local server is running Bhargava Alanka20-Sep-05 0:43 Bhargava Alanka 20-Sep-05 0:43  In "CreateInstance" method of classfactory how can i know that the already a server is running. If we can know that how can we get a pointer to the object of component in "CreateInstance" method of classfactory. Bhargava Alanka Re: how to know that the Local server is running Roger Stoltz20-Sep-05 0:55 Roger Stoltz 20-Sep-05 0:55  Typically you register the server in the ROT (RunningObjectTable). Have a look at the IRunningObjectTable interface: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/com/html/ff89bcb5-df6d-4325-b0e8-613217a68f42.asp[^] Hope this helps -- Roger How can I detect that System is in rebooting/shutdown/logoff as soon as I can? Adai Lee19-Sep-05 21:29 Adai Lee 19-Sep-05 21:29  As the title. Re: How can I detect that System is in rebooting/shutdown/logoff as soon as I can? prasad_som20-Sep-05 2:19 prasad_som 20-Sep-05 2:19  I dont know in which context this question is? Assuming asked in MFC context. When systems starts any of mentioned operations it first send WM_QUERYENDSESSION message to application. override it to trap above operations. Not quickly enough. Adai Lee20-Sep-05 15:30 Adai Lee 20-Sep-05 15:30  Thank you, Prasad_som. When System starts to reboot, it send WM_QUERYENDSESSION message to applications ONE BY ONE. So I cannot detect the system status immediately. Re: Not quickly enough. prasad_som23-Sep-05 0:52 prasad_som 23-Sep-05 0:52  hmm,you need hook i think. refer this http://www.codeproject.com/system/Paladin.asp[^] This article describes how to hook ExitWindowsEx which is used by the system Re: Not quickly enough. Adai Lee25-Sep-05 15:07 Adai Lee 25-Sep-05 15:07  Thanks. I need Self teaching book about COM OLE Automation ActiveX and ... RezaDJ19-Sep-05 20:34 RezaDJ 19-Sep-05 20:34  I need Self teaching book about COM OLE Automation ActiveX and ... please give me a good book name. Re: I need Self teaching book about COM OLE Automation ActiveX and ... Calc2019-Sep-05 21:53 Calc20 19-Sep-05 21:53  "Jeff Prosise - Programming Windows with MFC" from Microsoft Press has a chapter dedicated to COM OLE and ActiveX. It does't cover every aspect of the domain but it's a good start. Passing of Array Logan from Singapore19-Sep-05 16:33 Logan from Singapore 19-Sep-05 16:33  Hi, I had been trying to find methods to pass array from a COM DLL and had come across 2 ways of doing it. method(SafeArray(Type) **pVal); method(Variant *pVal); What is the different between passing the array out as a SafeArray and as a Variant? What is the advantage of using either of them? Are both methods supported by all technologies like .Net, Java, etc...? Re: Passing of Array Jörgen Sigvardsson19-Sep-05 20:12 Jörgen Sigvardsson 19-Sep-05 20:12  w_logan wrote: Are both methods supported by all technologies like .Net, Java, etc...? SafeArray(Type) is not supported by VB if my memory serves me right. It requires to stuff the array inside a variant. Re: Passing of Array Logan from Singapore19-Sep-05 20:25 Logan from Singapore 19-Sep-05 20:25  Thanks for replying. I also happened to read about this in your interest exchange below after I had posted the thread. This had cleared my doubts on why people are passing it as a Variant .

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