Error Lnk2019 Unresolved External Symbol Public Static Class
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C++ Error Lnk2019 Unresolved External Symbol Public __thiscall
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Error Lnk2019 Unresolved External Symbol Winmain@16 Referenced In Function ___tmaincrtstartup
Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up LNK2019 unresolved external symbol reference in function up vote 0 down vote favorite Getting linker error in a basic cocos2dx app running in visual studio. Occurs when error lnk2019 unresolved external symbol visual studio 2010 AppDelegate's "applicationDidFinishLaunching" method calls "MyGameScene"'s "singleton" method. I have already checked that the methods defined in MyGameScene.h are implemented in MyGameScene.cpp class Error msg Error 1 error LNK2019: unresolved external symbol "public: static class MyGame * __cdecl MyGame::singleton(void)" (?singleton@MyGame@@SAPAV1@XZ) referenced in function "public: virtual bool __thiscall AppDelegate::applicationDidFinishLaunching(void)" (?applicationDidFinishLaunching@AppDelegate@@UAE_NXZ) D:\Dev\cocos2d-2.0-x- 2.0.4\MyGame\proj.win32\AppDelegate.obj MyGame AppDelegate.h #ifndef _APP_DELEGATE_H_ #define _APP_DELEGATE_H_ #include "CCApplication.h" /** @brief The cocos2d Application. The reason for implement as private inheritance is to hide some interface call by CCDirector. */ class AppDelegate : private cocos2d::CCApplication { public: AppDelegate(); virtual ~AppDelegate(); /** @brief Implement CCDirector and CCScene init code here. @return true Initialize success, app continue. @return false Initialize failed, app terminate. */ virtual bool applicationDidFinishLaunching(); /** @brief The function be called when the application enter background @param the pointer of the application */ virtual void applicationDidEnterBackground(); /** @brief The function be called when the application enter foreground @param the pointer of the appli
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Error Lnk2019 Unresolved External Symbol Void __cdecl
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Error Lnk2019 Unresolved External Symbol Main Referenced In Function __tmaincrtstartup
Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join error 2 error lnk2019 unresolved external symbol them; it only takes a minute: Sign up error LNK2001: unresolved external symbol public: static class [duplicate] up vote 1 down vote favorite This question already has an answer here: What is an undefined reference/unresolved external symbol error and http://stackoverflow.com/questions/15520138/lnk2019-unresolved-external-symbol-reference-in-function how do I fix it? 25 answers I cannot figure out why i am recieving this error. Can anyone lend a hand. I need to declare VideoCapture capture in the header file and call it in Video.cpp Video.h class Video { public: static VideoCapture capture; //Default constructor Video(); //Declare a virtual destructor: virtual ~Video(); //Method void Start(); private: }; Video.cpp #include "StdAfx.h" #include "Video.h" #include "UserInfo.h" #include "Common.h" void Video::Start() { while(1) { Mat img; bool bSuccess = capture.read(img); http://stackoverflow.com/questions/24622441/error-lnk2001-unresolved-external-symbol-public-static-class // read a new frame from video if (!bSuccess) //if not success, break loop { cout << "End of video" << endl; break; } imshow("original video", img); //show the frame in "Original Video" window if(waitKey(30) == 27) //wait for 'esc' key press for 30 ms. If 'esc' key is pressed, break loop { cout << "esc key is pressed by user" << endl; break; } } } Any help would be greatly appreciated c++ linker-error static-members share|improve this question asked Jul 8 '14 at 1:38 user3743939 45210 marked as duplicate by Raymond Chen, lpappc++ Users with the c++ badge can single-handedly close c++ questions as duplicates and reopen them as needed. Jul 8 '14 at 2:35 This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question. add a comment| 1 Answer 1 active oldest votes up vote 7 down vote accepted This is a declaration of capture. It merely proclaims that capture will exist somewhere. Video.h static const VideoCapture capture; You need to add the definition. Make it exist. Video.cpp const VideoCapture Video::capture; share|improve this answer edited Jul 8 '14 at 2:31 answered Jul 8 '14 at 1:42 Drew Dormann 34.7k764123 Thanks for the reply. Where can add the definition of VideoCapture Video::capture? –user3743939 Jul 8 '14 at 1:51 @user3743939 That's in my answer. :) –Drew
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Visual Studio Languages , Windows Desktop Development > C++ Standards, Extensions, and Interop Question 0 Sign in to vote Hi Please give me the solution for the following errors 10> All outputs are up-to-date. 10>Link: 10> Creating library ..\build\Release\lib\chrome_dll.lib and object ..\build \Release\lib\chrome_dll.exp 10>content_browser.lib(render_widget_host_view_win.obj) : error LNK2019: unresolved external symbol "public: static class WebKit::WebMouseWheelEvent __cdecl WebKit::WebInputEventFactory::mouseWheelEvent(struct HWND__ *,unsigned int,unsigned int,long)" (?mouseWheelEvent@WebInputEventFactory @WebKit@@SA?AVWebMouseWheelEvent@2@PAUHWND__@@IIJ@Z) referenced in function "protected: long __thiscall RenderWidgetHostViewWin::OnWheelEvent(unsigned int,unsigned int,long,int &)" (?OnWheelEvent@RenderWidgetHostViewWin@@IAEJIIJAAH@Z) 10>content_browser.lib(render_widget_host_view_win.obj) : error LNK2019: unresolved external symbol "public: static class WebKit::WebMouseEvent __cdecl WebKit::WebInputEventFactory::mouseEvent(struct HWND__ *,unsigned int,unsigned int,long) " (?mouseEvent@WebInputEventFactory@WebKit@@SA?AVWebMouseEvent@2@PAUHWND__@@IIJ@Z) referenced in function "private: void __thiscall RenderWidgetHostViewWin::ForwardMouseEventToRenderer(unsigned int,unsigned int,long)" (?ForwardMouseEventToR enderer@RenderWidgetHostViewWin@@AAEXIIJ@Z) 10>content_browser.lib(native_web_keyboard_event_win.obj) : error LNK2019: unresolved external symbol "public: static class WebKit::WebKeyboardEvent __cdecl WebKit::WebInputEventFactory::keyboardEvent(struct HWND__ *,unsigned int,unsigned int,long)" (?keyboardEvent@WebInputEventFactory@WebKit@@SA?AVWebKeyboardEvent@2@P AUHWND__@@IIJ@Z) referenced in function "public: __thiscall NativeWebKeyboardEvent::NativeWebKeyboardEvent(struct tagMSG)" (??0NativeWebKeyboardEvent@@QAE@Uta