Problem porting to VC2005

Greetings.

I had a project made under VC2003 with Qt 4.3.3, and i tried to port it to VC2005.

I am using something like:

Code:

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HWND appWindow = FindWindow(NULL, static_cast<LPCWSTR>(title.toStdWString().c_str()));

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The above code worked beautifully under VS2003, but it gives the following linking error under VC2005. :

Quote:

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Error 1 error LNK2019: unresolved external symbol "__declspec(dllimport) public: class std::basic_string<wchar_t,struct std::char_traits<wchar_t>,class std::allocator<wchar_t> > __thiscall QString::toStdWString(void)const " (__imp_?toStdWString@QString@@QBE?AV?$basic_string @_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@ XZ) referenced in function "private: void __thiscall test::nextWindow(void)" (?nextWindow@test@@AAEXXZ) test.obj

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Please give me some ideas as to why this might happen.

Is this another Qt installation too? Looks like your Qt was built without STL support.

That was my first idea, but it isn't so, title.toStdString() works perfectly, but i cannot convert it to whatever FindWindow needs.

So, what does "porting from vs2003 to vs2005" mean in this case? Did you simply open the old .vcproj in vs2005 or have you maintained a .pro file?

It means, i opened the solution file and let VS convert my project.

What if you create a proper .pro file and let qmake generate a Visual Studio project for you?

Or do a clean rebuild instead 'just opening and compiling'

Hi! I have the same problem with QString::toStdWString().
My project is originally VS2005-QT4.2 Project. I have had no Problem wether with STL nore with QT, before I tried toStdWString(). Clean/Rebuild/reimport from PRO does not help. Any constructiv idea?

The solution found in the other thread:
Project-Property
wchar_t as Built_in Type -> set to False.

Code:

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HWND appWindow = FindWindow(NULL, static_cast<LPCWSTR>(title.toStdWString().c_str()));

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you can replace this with

Code:

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HWND appWindow = FindWindow(NULL, (wchar_t*)title.utf16());

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