But anyway, I'm writing a program that locates an intercom sending UDP signals over a network, connects to it and sends and recieves audio. share|improve this answer answered Oct 13 '10 at 14:59 Nikola Smiljanić 21.9k43452 add a comment| up vote 1 down vote Depending on your compiler setting for CharacterSet, you may need to If you would like to use char change the 'Character Set' property in your project setting to 'No Set'. if i remember correctly, it would convert parameter 1 from 'const char ' to 'LPCWSTR' Reply With Quote 24th February 2009,13:34 #5 srohit24 View Profile View Forum Posts View Blog Entries http://www.scientificpsychic.com/blogentries/error-c2664-loadlibraryw-cannot-convert-parameter-to-lpcwstr.html
You're passing a multi-byte string (char const*). Welcome to Qt Centre. DaniWeb IT Discussion Community Join DaniWeb Log In Hardware and Software Programming Digital Media Community Center Programming Software Development Answered passing in ascii/unicode strings to LoadLibrary 0 9 Years Ago hi, I did not expect to get the error message C2664 from the simple LoadLibrary statement:HINSTANCE hinstLib = LoadLibrary("azspellaid.dll"); Error C2664: 'LoadLibraryW': cannot convert parameter 1 from 'const char ' to 'LPCWSTR'
The L prefix has something to do with treating the string as Unicode or something, again windows specific. Advanced Search Forum Qt Qt Programming Loading a DLL using Qt If this is your first visit, be sure to check out the FAQ by clicking the link above. Are you able to build the samples? Cannot Convert Argument 2 From 'const Char To 'lpcwstr' I just think that it's not appropriate to explain the difference between char, wchat_t, TCHAR and how to write correct unicode applications to an absolute beginner. –ybungalobill Oct 13 '10 at
Join them; it only takes a minute: Sign up cannot convert parameter 1 from 'char *' to 'LPCWSTR' up vote 15 down vote favorite 5 Im trying to load a BMP It has only 1 function, named Display(), which i am exporting. All rights reserved. http://stackoverflow.com/questions/3924926/cannot-convert-parameter-1-from-char-to-lpcwstr Hope it helps, memphis c++ This question has already been answered.
I tried to cast the variable #if defined(_WIN32) return((DLL *) LoadLibrary((LPCWSTR)libname)); So the code compiles, but isn't working. Convert Char* To Lpcwstr http://www.codeguru.com/forum/showthread.php?t=231165 share|improve this answer answered Oct 13 '10 at 15:08 Allbite 1,67011620 add a comment| up vote 0 down vote I guess you're compiling with Unicode enabled. The resource cannot be found now. How to decline a postdoc interview if there is some possible future collaboration?
This forum is primarily focused on FrontPanel and Opal Kelly products. http://cboard.cprogramming.com/windows-programming/123058-how-solve-error.html Related Sites Visual Studio Visual Studio Integrate VSIP Program Microsoft .NET Microsoft Azure Connect Forums Blog Facebook LinkedIn Stack Overflow Twitter Visual Studio Events YouTube Developer Resources Code samples Documentation Downloads Cannot Convert From Const Char To Lpctstr So, I have a dataset which is filled with data after a mysql SELECT Statement, I'll call the dataset dsResults.Tables("Results") Inside the dataset is data that I want to be filled How To Convert Const Char To Lpctstr In C++ The first one is to cast the quoted string with a Long Pointer to Const Wide String (LPCWSTR):HINSTANCE hinstLib = LoadLibrary((LPCWSTR)L"azspellaid.dll"); The C2664 error can also be resolved by keeping the
share|improve this answer edited Nov 1 '12 at 1:19 answered Mar 30 '11 at 0:55 Paul Groke 4,0341527 add a comment| up vote 9 down vote You have a few options: see here c++ visual-c++ opengl char bmp share|improve this question edited Nov 1 '12 at 3:23 genpfault 35.7k83777 asked Mar 30 '11 at 0:32 dactz 82113 what type is Filename ? You are currently viewing our boards as a guest which gives you limited access to view most discussions and access our other features. Although the question is related to the FrontPanel DLL, it is really about the Microsoft API LoadLibraryW. Const Wchar_t *' To 'lpcstr'
Reload to refresh your session. xparse processor with multiple arguments Boss sends a birthday message. The problem only appears while using FrontPanel in a QT-Project. this page I tried it and it worked.
Hope for your help:DThank you Kra 2013-11-01 15:16:43 UTC #2 Hello, i have exactly the same problem with vs2012. C2664 Error C++ Powered by vBulletin Version 4.1.9 Copyright ©2000 - 2016, Jelsoft Enterprises Ltd., © 2006–2010 Qt Centre - The Ultimate Qt Community site Nokia and its respective logos are trademarks of Nokia The columns in the dataset are expected to vary, for example, sometimes it ...
To start viewing messages, select the forum that you want to visit from the selection below. No new replies allowed. Reply With Quote + Reply to Thread Quick Navigation Qt Programming Top Site Areas Settings Private Messages Subscriptions Who's Online Search Forums Forums Home Forums Qt Newbie Qt Programming Qwt Qt C++ Lpcwstr The time now is 05:11.
You can still to Qt libraries in VC++, so there's not really any need to prototype a full blown Win32 version prior to going for Qt, unless of course you're testing Last edited by srohit24; 24th February 2009 at 10:26. Unless you have a good reason, you should use Unicode; that's why it's enabled by default. And a second error that is the same except a char  on the line below it. I have tried several things but cannot get rid of it. Here is a snippet from CPanelControlpp.cpp:
the dll IS in the exe directory though, so its not the location that is the problem. Start a new discussion instead. I would advise you against using explicit CreateFileA. If you choose to participate, the online survey will be presented to you when you leave the Msdn Web site.Would you like to participate?
LoadLibrary is the standard one that takes the standard char set. How to reply? But you may not want to do this. How to prove that authentication system works, and that customer uses the wrong password?
For converting with MultiByteToWideChar, see the following... You might have more luck searching Microsoft or Qt forums. Over 90 percent of questions asked here gets answered. By Sparrowhawk in forum C Programming Replies: 48 Last Post: 12-15-2008, 04:09 AM Post...
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