Error 2 Error C2491 Definition Of Dllimport Function Not Allowed
Contents |
360 games PC games
Definition Of Dllimport Static Data Member Not Allowed
Windows games Windows phone games Entertainment All Entertainment a function declared dllimport Movies & TV Music Business & Education Business Students & educators
Definition Of Dllimport Function Not Allowed Template
Developers Sale Sale Find a store Gift cards Products Software & services Windows Office Free downloads & security Internet definition of dllimport static data member not allowed qt Explorer Microsoft Edge Skype OneNote OneDrive Microsoft Health MSN Bing Microsoft Groove Microsoft Movies & TV Devices & Xbox All Microsoft devices Microsoft Surface All Windows PCs & tablets PC accessories Xbox & games Microsoft Lumia All c++ error c2491 Windows phones Microsoft HoloLens For business Cloud Platform Microsoft Azure Microsoft Dynamics Windows for business Office for business Skype for business Surface for business Enterprise solutions Small business solutions Find a solutions provider Volume Licensing For developers & IT pros Develop Windows apps Microsoft Azure MSDN TechNet Visual Studio For students & educators Office for students OneNote in classroom Shop PCs & tablets perfect for students Microsoft in Education Support Sign in Cart Cart Javascript is disabled Please enable javascript and refresh the page Cookies are disabled Please enable cookies and refresh the page CV: {{ getCv() }} English (United States) Terms of use Privacy & cookies Trademarks © 2016 Microsoft
here for a quick overview of the site Help Center Detailed answers to any
Intellisense Cannot Define Dllimport Entity
questions you might have Meta Discuss the workings and policies cannot define dllimport entity c++ of this site About Us Learn more about Stack Overflow the company Business Learn more about
Warning C4273 Inconsistent Dll Linkage
hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack https://support.microsoft.com/en-us/kb/815647 Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up c++: definition of dllimport function not allowed, building with visual studio 2010 up vote 8 down vote favorite 2 I'm using visual studio 2010 to build a .dll. I http://stackoverflow.com/questions/17239506/c-definition-of-dllimport-function-not-allowed-building-with-visual-studio-2 wrote up a trial as: // trialDLL.h #ifndef TRIALDLL_H_ #define TRIALDLL_H_ // ... MyMathFuncs class definition omitted #ifdef __cplusplus extern "C"{ #endif #ifdef TRIALDLL_EXPORT #define TRIALDLL_API __declspec(dllexport) #else #define TRIALDLL_API __declspec(dllimport) #endif TRIALDLL_API MyMathFuncs* __stdcall new_MyMathFuncs(double offset); TRIALDLL_API void __stdcall del_MyMathFuncs(MyMathFuncs *myMath); TRIALDLL_API double __stdcall MyAdd(MyMathFuncs* myMath, double a, double b); // some other similar stuff #ifdef __cplusplus } #endif #endif And the triallDLL.cpp file: // trialDLL.cpp #include "trialDLL.h" TRIALDLL_API MyMathFuncs* __stdcall new_MyMathFuncs(double offset) { return new MyMathFuncs(offset); } TRIALDLL_API void __stdcall del_MyMathFuncs(MyMathFuncs *myMath) { delete myMath; } TRIALDLL_API double __stdcall MyAdd(MyMathFuncs *myMath, double a, double b) { return myMath->Add(a, b); } // ... some other definitions With these two files in the project, I added a property sheet to the project through visual studio 2010 property manager and added TRIALDLL_EXPORT to user macros. After all these, the nice Intellisense gives me error for each function defined in the .cpp file and complains "e
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss http://stackoverflow.com/questions/17573736/error-c2491-function-declared-in-header-and-defined-in-c the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack https://www.experts-exchange.com/questions/20873293/error-C2491-'func-1'-definition-of-dllimport-function-not-allowed.html Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping definition of each other. Join them; it only takes a minute: Sign up Error C2491: Function declared in header and defined in C++ up vote 1 down vote favorite I have been trying to build a device adapter for a open-source software called Micro-manager to control a microscope and there are some problems that I am facing, there are these definition of dllimport two files (one header and the other CPP) that are already present in the open source package of Micro-Manager. //MoudluleInterface.h #ifndef _MODULE_INTERFACE_H_ #define _MODULE_INTERFACE_H_ #ifdef WIN32 #ifdef MODULE_EXPORTS #define MODULE_API __declspec(dllexport) #else #define MODULE_API __declspec(dllimport) #endif #else #define MODULE_API #endif #define MM_MODULE_ERR_OK 1000 #define MM_MODULE_ERR_WRONG_INDEX 1001 #define MM_MODULE_ERR_BUFFER_TOO_SMALL 1002 /////////////////////////////////////////////////////////////////////////////// // header version // NOTE: If any of the exported module API calls changes, the interface version // must be incremented // new version 5 supports device discoverability #define MODULE_INTERFACE_VERSION 7 #ifdef WIN32 const char* const LIB_NAME_PREFIX = "mmgr_dal_"; #else const char* const LIB_NAME_PREFIX = "libmmgr_dal_"; #endif #include "MMDevice.h" /////////////////////////////////////////////////////////////////////////////// // Exported module interface /////////////////////////////////////////////////////////////////////////////// extern "C" { MODULE_API MM::Device* CreateDevice(const char* name); MODULE_API void DeleteDevice(MM::Device* pDevice); MODULE_API long GetModuleVersion(); MODULE_API long GetDeviceInterfaceVersion(); MODULE_API unsigned GetNumberOfDevices(); MODULE_API bool GetDeviceName(unsigned deviceIndex, char* name, unsigned bufferLength); MODULE_API bool GetDeviceDescription(const char* deviceName, char* name, unsigned bufferLength); And here is a part of the CPP file which defines these functions //ModuleInterface.cpp #define _CRT_SECURE_NO_DEPRECATE #include "ModuleInterface.h" #include
for Help Receive Real-Time Help Create a Freelance Project Hire for a Full Time Job Ways to Get Help Ask a Question Ask for Help Receive Real-Time Help Create a Freelance Project Hire for a Full Time Job Ways to Get Help Expand Search Submit Close Search Login Join Today Products BackProducts Gigs Live Careers Vendor Services Groups Website Testing Store Headlines Experts Exchange > Questions > error C2491: 'func_1': definition of dllimport function not allowed Want to Advertise Here? Solved error C2491: 'func_1': definition of dllimport function not allowed Posted on 2004-02-04 C++ 3 Verified Solutions 18 Comments 4,607 Views Last Modified: 2007-12-19 I tried to compile several dll-files (using Visual c++ 6.0), and I always get the same error: error C2491: 'Function_1' : definition of dllimport function not allowed does anyone knows how this can be solved ? 0 Question by:André123 Facebook Twitter LinkedIn Google LVL 48 Best Solution byAlexFM Now ensure that RLIB_EXPORTS is defined in Dll project. To test this, right-click on RLIB_EXPORTS and select "Go to definition". If RLIB_EXPORTS is undefined, open Project - Settings - C++, and add RLIB_EXPORTS Go to Solution 18 Comments LVL 86 Overall: Level 86 C++ 72 Message Assisted Solution by:jkr2004-02-04 >>does anyone knows how this can be solved ? Move the '__declspec(dllimport)' to the declaration, not the definition. According to the error message, you are currently trying to compile sth. like void __declspec(dllimport) Function_1 () { int i = 1 + 1; } 0 Message Author Comment by:André1232004-02-04 this is my code: /////// #include