Problem with mod

Hi guys,

I have problem with simple mod. I want show MessageBox when window with specified class name is created, but it crash everytime I use lpClassName, even in IF condition. Can somebody fix this code or explain to me, why this code does not work? Thank you.



// ==WindhawkMod==

// @id              api-frame

// @name            My frame Mod

// @description     Test mod

// @version         0.1

// @author          nanit76

// @include         Project1.exe


// @compilerOptions -luser32

// ==/WindhawkMod==



// ==WindhawkModReadme==

/*

Test mod

*/

// ==/WindhawkModReadme==


#include <windows.h>

#include <objbase.h>



using CreateWindowExW_t = decltype(&CreateWindowExW);

CreateWindowExW_t CreateWindowExW_orig;

HWND WINAPI CreateWindowExW_hook(

   DWORD dwExStyle,

   LPCWSTR lpClassName,

   LPCWSTR lpWindowName,

   DWORD dwStyle,

   int X,

   int Y,

   int nWidth,

   int nHeight,

   HWND hWndParent,

   HMENU hMenu,

   HINSTANCE hInstance,

   LPVOID lpParam

)

{


   //if (wcscmp(lpClassName, L"ThunderRT6FormDC") == 0)

   if (lstrcmpW(lpClassName, L"ThunderRT6FormDC") == 0)

   {

      MessageBoxW(NULL, L"ThunderRT6FormDC opened", L"Surprise!", MB_OK);

      //MessageBoxW(NULL, lpClassName, L"Surprise!", MB_OK);


   }




   return CreateWindowExW_orig(

       dwExStyle,

       lpClassName,

       lpWindowName,

       dwStyle,

       X,

       Y,

       nWidth,

       nHeight,

       hWndParent,

       hMenu,

       hInstance,

       lpParam

   );

}




BOOL Wh_ModInit(void)

{

   if (!Wh_SetFunctionHook(

       (void *)CreateWindowExW,

       (void *)CreateWindowExW_hook,

       (void **)&CreateWindowExW_orig

   ))

   {

       Wh_Log(L"Failed to hook CreateWindowExW");

       return FALSE;

   }





   return TRUE;

}