FPS Limiter

#include <Windows.h>
#define Naked __declspec(naked)
#define stdcall __stdcall

void SuperSleep(LONGLONG microseconds){
    LARGE_INTEGER Time1, Time2, Frequency, DeltaTime;
    DeltaTime.QuadPart = 0;
    QueryPerformanceFrequency(&Frequency);
    QueryPerformanceCounter(&Time1);
    while (DeltaTime.QuadPart < microseconds){
        QueryPerformanceCounter(&Time2);
        DeltaTime.QuadPart = Time2.QuadPart - Time1.QuadPart;
        DeltaTime.QuadPart *= 1000000;
        DeltaTime.QuadPart /= Frequency.QuadPart;
    }

}
void PlaceJmp(HANDLE hwnd,PVOID JumpFrom, DWORD JumpTo){
    DWORD old;
    DWORD bkup;
    DWORD JmpOffset = (DWORD)JumpTo - (DWORD)JumpFrom - 5;
    VirtualProtectEx(hwnd, JumpFrom, 5, PAGE_EXECUTE_READWRITE, &old);
    WriteProcessMemory(hwnd, JumpFrom, "\xE9", 1, NULL);
    WriteProcessMemory(hwnd, (PVOID)((DWORD)JumpFrom + 1),&JmpOffset,4,NULL);
    VirtualProtectEx(hwnd, JumpFrom, 5, old, &bkup);
}

PVOID GetHookedAddress(PVOID address){
    if (*(unsigned char*)address == 0xE9){
        return (PVOID)(*(DWORD*)((DWORD)address + 1) + (DWORD)address + 5);
    }
    else return (PVOID)0;
}

Naked void OpenGLHook(){
    SuperSleep(5555);

    __asm {
        ret
    }
}

PVOID HookSetup(PVOID HookAddr, PVOID CallThis);    //Not Open Source

void LockDLL(HMODULE DllHandle);                    //Not Open Source

BOOL WINAPI DllMain(
    _In_ HINSTANCE hinstDLL,
    _In_ DWORD     fdwReason,
    _In_ LPVOID    lpvReserved
    ){
    if (fdwReason == DLL_PROCESS_ATTACH){
        PVOID ToHook = (PVOID)GetProcAddress(GetModuleHandleA("OPENGL32.dll"), "wglSwapBuffers");
        PVOID AllocatedHook = HookSetup(ToHook, (PVOID)OpenGLHook);
        PlaceJmp((HANDLE)-1, ToHook, (DWORD)AllocatedHook);
        LockDLL(hinstDLL);
    }
}