Re: [Plib-users] using plib with qt

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Laura,

         Hello and welcome to the PLIB community.

         I don't have Qt on my machine but I can 
tell you how things are defined on my Windows XP 
box with MSVC 6.0.  I selected the "go to the 
definition of LoadLibrary" and find the following.

<quote>
#define LoadLibrary  LoadLibraryA
</quote>

Tracking back:

<quote>
WINBASEAPI
HMODULE
WINAPI
LoadLibraryA(
     LPCSTR lpLibFileName
</quote>
     );
<quote>
typedef CONST CHAR *LPCSTR, *PCSTR;
</quote>

<quote>
#define CONST               const
</quote>

<quote>
typedef char CHAR;
</quote>

So it looks like Windows/MSVC defines the 
argument simply to be a "const char *".  Did you 
put the "*" in your explicit cast?

                 - John

At 08:46 AM 3/24/2010, you wrote:

>Hello,
>
>I like to use the Joystick library from Plib in 
>a Qt Project. Up to now I used VC++ 6.0 with 
>Plib and it works fine. Now I want to use it with Qt but don't know how.
>
>
>I do some changes to my .pro file:
>
>INCLUDEPATH = C:/plib-1.8.5/src/js C:/plib-1.8.5/src/util
>
>win32:LIBS += 
>C:/plib-1.8.5/src/js/Debug/js_d.lib C:/plib-1.8.5/src/util/Debug/ul_d.lib
>
>
>and in main.cpp I do:
>
>#include <js.h>
>
>
>But when I compile then I get an error:
>
>..\..\plib-1.8.5\src\util/ul.h:554: error: 
>cannot convert 'char*' to 'const WCHAR*' for 
>argument '1' to 'HINSTANCE__* LoadLibraryW(const WCHAR*)'
>
>
>I change line 554 in ul.h from:
>
>handle = (HMODULE) LoadLibrary ( dllname ) ;
>
>into:
>
>handle = (HMODULE) LoadLibrary ( (const WCHAR) dllname ) ;
>
>but this doesn't work too and I get 3 new errors.
>
>
>I don't know what to do more now. Can anybody 
>help me getting plib run in my Qt project? Would be very nice.
>
>Best regards
>
>Laura
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