Error In Activex Cocreateinstance
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Printable Version Email this Page… Subscribe to this Thread… Display Linear Mode Switch to Hybrid Mode Switch to Threaded Mode June 27th, 2001,10:12 AM #1 Massfan View Profile View Forum Posts Member Join Date Jun 2001 Posts 43 Active X and CoCreateInstance Hello, I want to dynamically create an ActiveX Control, i have the GUID and i know that I cocreateinstance vs cocreateinstanceex can use CoCreateInstance... I had try this: CComPtr producer; HRESULT result; result=producer.CoCreateInstance ("56919D41-BE39-11D2-A404-00104BDF4755"); but I have this error 'CComPtr' : undeclared identifier please what can I do? Reply With Quote June 27th, 2001,10:24 AM #2 Alexandrov Alex View Profile View Forum Posts Visit Homepage Member Join Date May 2001 Location South Korea Posts 150 Re: Active X and CoCreateInstance Make sure that you included "atlbase.h" in your program. Moreover, this declaration CComPtr spSomething; is wrong. You must define interface which this varaible will represent. For example CComPtr
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Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. cocreateinstance class not registered Join them; it only takes a minute: Sign up C++ Instance of Executable ActiveX fail on 64 bits environment. Error Invalid advise flags up vote 0 down vote favorite I have an Executable ActiveX component created with VB 6, http://forums.codeguru.com/showthread.php?140158-Active-X-and-CoCreateInstance consumed by an application made with C++ (32bits) that Instantiate it. Everything works fine under win 7, XP, Win 2003 32 bits, but when I run under Windows 7 or windows 2012 64 bits I got “-2147221503 (0x80040001) Invalid advise flags” I’m using VS2008 …. C++ code : UINT test_exe_ativex_call() { HRESULT hr; CLSID clsid; _Arquivo *cls = NULL; CoInitializeEx(NULL, COINIT_MULTITHREADED); hr = CLSIDFromProgID(OLESTR("ACTIVEX.Class"), &clsid); hr = CoCreateInstance(clsid, NULL, CLSCTX_LOCAL_SERVER, __uuidof(_Arquivo), (LPVOID*) &cls); return 1; } … my http://stackoverflow.com/questions/28743710/c-instance-of-executable-activex-fail-on-64-bits-environment-error-invalid-ad stdafx.h has the reference for the executable activeX: # import "ACTIVEX.tlb" using namespace ACTIVEX; The error happens executing CoCreateInstance. I debugged my vb 6 code trying to understand and I realize that the main block of my activex module “Sub Main()” is executed well but when it is supposed to call my Class “Private Sub Class_Initialize()” the C++ program receive the error “0x80040001 Invalid advise flags”. The same code works perfectly fine when I run on any 32bits windows version. c++ vb6 com+ activex-exe share|improve this question edited Feb 27 '15 at 17:12 asked Feb 26 '15 at 13:26 Luiz Ricardo Mouro 62 At a certain level, maybe a 32 bits VB6 component can't be consumed by a 64bits application (stackoverflow.com/questions/1167102/…). Try to use only 32bits signed variables/values in your 64bits app when working with the VB6 component. –Rubik Feb 26 '15 at 16:40 Tks for the insight. My c++ application is a 32 bits... –Luiz Ricardo Mouro Feb 27 '15 at 17:11 add a comment| active oldest votes Know someone who can answer? Share a link to this question via email, Google+, Twitter, or Facebook. Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up using Facebook Sign up using Email and Password Post as a guest Name Email Post as a guest Name Email discard By posting your answ
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