Error C2664 In Visual Studio 2010
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Error C2664 Lpcwstr
up C2664 error c++ Visual Studio up vote 0 down vote favorite I am trying to modify an old MFC program. After opening the project in Visual Studio 2013 there are many errors of the type below. In AviPlay.cpp #include "stdafx.h" #include "AviPlay.h" #define OPEN_AVI_VIDEO "open avivideo" BOOL initAVI() { return mciSendString(OPEN_AVI_VIDEO, NULL, 0, NULL) == 0; } The error thrown is error error c2664 cannot convert parameter 1 from 'const char *' to 'char *' C2664: 'MCIERROR mciSendStringW(LPCWSTR,LPWSTR,UINT,HWND)' : cannot convert argument 1 from 'const char [14]' to 'LPCWSTR' Should setting the compiler option for Strict to off, or some other compiler option, resolve this error? If not, I can modify the many lines of code manually. In that case, what might have changed in the last 15 years that would make code like this OK before but not OK now? Thank you in advance. c++ visual-studio-2013 c2664 share|improve this question asked Aug 12 '14 at 1:44 user3931552 11 1 You could try setting the project type to multibyte rather than unicode, but I do not know if that is a valid option when using MFC. –Retired Ninja Aug 12 '14 at 1:48 The project might be set to unicode character set. This would cause your program to link to the wide version of mciSendStringW rather than the multibyte version mciSendStringA. –Beed Aug 12 '14 at 1:49 Setting to multibyte in project properties, general, character set fixed my problem. Thank you very much! –user3931552 Aug 14 '14 at 17:14 add a comment| 1 Answer 1 active ol
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Error C2664 Cannot Convert Argument 1 From
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Error C2664 Cannot Convert Parameter From Const Char To Lpcwstr
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 How to resolve error C2664 _vswprintf_c_l error in visual studio http://stackoverflow.com/questions/25254938/c2664-error-c-visual-studio 2005? up vote 0 down vote favorite The error shown: Error 11 error C2664: '_vswprintf_c_l' : cannot convert parameter 4 from 'void *' to '_locale_t' C:\Program Files\Microsoft Visual Studio 8\VC\include\swprintf.inl 41 It locates the file- C:\Program Files\Microsoft Visual Studio 8\VC\include\swprintf.inl which is a system file I guess. So, how to resolve? Platform: Visual Studio 2005 Version 8.0.50727.762 c visual-studio-2005 compiler-errors c2664 share|improve this question edited Jul 13 '11 at http://stackoverflow.com/questions/6678092/how-to-resolve-error-c2664-vswprintf-c-l-error-in-visual-studio-2005 14:15 asked Jul 13 '11 at 11:23 Gulshan 85211230 It sounds like you are forgetting to pass the locale parameter. –leppie Jul 13 '11 at 12:09 Is this the complete error message? The mistake is probably in your code. Could you please add the code where the error occurs. If VS doesn't point you to the specific line in your code, it must be in the file that's being compiled someplace where you call vswprintf or a similar function. –Codo Jul 13 '11 at 14:33 add a comment| 1 Answer 1 active oldest votes up vote 1 down vote I've also seen this issue in a code I was dealing with. The problem was that stdlib.h was being included after a local header which probably was including some other c or c++ header. wrong order: #include "someheaderofmine.h"//includes several other headers #include
here for a quick overview of the site Help Center Detailed answers to any questions you might http://stackoverflow.com/questions/16370917/visual-studio-2010-list-copy-construct-throwing-c2664-error have Meta Discuss the workings and policies of this site About http://stackoverflow.com/questions/29535188/visual-studio-opencv-error-c2664 Us Learn more about Stack Overflow the company Business Learn more about 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 Overflow is a community of 4.7 million error c2664 programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Visual Studio 2010 list copy construct throwing C2664 error up vote 0 down vote favorite SOLVED: Restarted Visual Studio I'm working on a project for school involving the STL list. and getting this error with xmemory. I'm just trying error c2664 cannot to build the solution at this point, butxmemory is killing me Error 1 error C2664: 'GroceryStoreItem::GroceryStoreItem(GroceryStoreItem &)' : cannot convert parameter 1 from 'std::string' to 'GroceryStoreItem &' d:\microsoft visual studio 10.0\vc\include\xmemory 208 Here's my header #include using namespace std; // //***************************************************************** // USER DEFINED DATA TYPES // class GroceryStoreItem { friend ostream & operator<< (ostream &out, const GroceryStoreItem &RHS); public: GroceryStoreItem(); GroceryStoreItem(string Name, double cost, string location); GroceryStoreItem(GroceryStoreItem & GroceryStoreItemCCIn); GroceryStoreItem & operator= (const GroceryStoreItem &RHS); string ReturnItemName(); string ReturnLocation(); double ReturnCost(); private: string ItemName; string Location; double Cost; }; and the implementation #include "Grocery_Item.h" using namespace std; //***************************************************************** // Grocery Item Constructors //***************************************************************** GroceryStoreItem::GroceryStoreItem() { ItemName = "default"; Location = "aisle 1"; Cost = 0.0; } GroceryStoreItem::GroceryStoreItem(string InName, double InCost, string InLocation) { ItemName = InName; Location = InLocation; if(InCost >= 0.0f) { Cost = InCost; } else { Cost = 0.0f; } } GroceryStoreItem::GroceryStoreItem(GroceryStoreItem & GroceryStoreItemCCIn) //Copy Constructor { ItemName=GroceryStoreItemCCIn.ItemName; Location=GroceryStoreItemCCIn.Location; Cost=GroceryStoreItemCCIn.Cost; } ed
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss 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 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 each other. Join them; it only takes a minute: Sign up Visual Studio OpenCV error C2664 up vote 0 down vote favorite error C2664: 'double cv::threshold(cv::InputArray,cv::OutputArray,double,double,int)' : cannot convert argument 1 from 'IplImage *' to 'cv::InputArray' How to solve this type of error? c++ opencv visual-studio-2013 share|improve this question edited Apr 9 '15 at 10:07 sgarizvi 9,67182769 asked Apr 9 '15 at 9:50 user4768347 Which language? What have you tried? –SaeX Apr 9 '15 at 9:56 please do not use IplImages. opencv moved to c++ half a decade ago. –berak Apr 9 '15 at 10:29 add a comment| 1 Answer 1 active oldest votes up vote 1 down vote accepted You're mixing OpenCV's C and C++'s APIs. Since you're using C++, use cv::Mat instead of IplImage *, which is also recommended. If you have to use IplImage *, convert it to cv::Mat first before calling cv::threshold: IplImage *ipl_img; cv::Mat mat_img(ipl_img); And, then, use mat_img to pass into cv::threshold. share|improve this answer answered Apr 9 '15 at 10:22 herohuyongtao 25.4k96691 add a comment| 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 answer, you agree to the privacy policy and terms of service. asked 1 year ago viewed 159 times active 1 year ago Related 1cv::findHomography gioving error c26651Visual C++ errors C3867 and C26640Visual Studio 2010 list copy construct throwing C2664 error0Compiler error while Normalizing Histogram0C2664 error c++ Visual Studio0OpenCV visual studio 2013 linker error 11040Having some difficulty in using findHomography -compilation error0Visual Studios 2013 - C++ Linker Error with openCV 3.0 Libs1OpenCV migration from VS2013 to QT 5.50C++ visual studio error C2664 Hot Network Questions A