[VC++ 6][WIN32] KEYGEN : SOLUTION (POUR CEUX QU'ON PAS TROUVER)

#include <stdAfx.h>
#include <windows.h>
#include <commctrl.h>
#include <time.h>
#include <stdlib.h>
#include "resource.h"


int k1,k2,k3,k4;
char buffer[6],buffer1[6],buffer2[6],buffer3[6];


LRESULT CALLBACK DlgProc(HWND hDlg, UINT msg, WPARAM wParam, LPARAM lParam)
{
int nCmdShow;
switch(msg)
{
case WM_CLOSE:
DestroyWindow(hDlg);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
case WM_COMMAND:
switch(HIWORD(wParam))
{
case BN_CLICKED:
switch(LOWORD(wParam))
{
case ID_GEN:

srand((unsigned) time(NULL));
k2 = rand() % 99999;
 
srand((unsigned) time(NULL));
k4 = rand() % 999;

srand((unsigned) time(NULL));
k1 = rand() % 9999;  

k3 = (k2*k4)%k1;

itoa(k1,buffer,10);
itoa(k2,buffer1,10);
itoa(k3,buffer2,10);
itoa(k4,buffer3,10);

SetDlgItemText(hDlg,IDC_K1,buffer);
SetDlgItemText(hDlg,IDC_K2,buffer1);
SetDlgItemText(hDlg,IDC_K3,buffer2);
SetDlgItemText(hDlg,IDC_K4,buffer3);

break;
case IDCANCEL:
DestroyWindow(hDlg);
break;
}
}
break;
default:
return FALSE;
}
return FALSE;
}

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
LPSTR lpCmdLine, int nCmdShow)
{
HWND hdlg;
MSG Msg;

hdlg = CreateDialog(hInstance,MAKEINTRESOURCE(IDD_DIALOG1), NULL, (DLGPROC) DlgProc);

if(hdlg == NULL)
{
MessageBox(NULL, "Window Creation Failed!", "Error!",
MB_ICONEXCLAMATION | MB_OK);
return 0;
}

ShowWindow(hdlg, nCmdShow);
UpdateWindow(hdlg);

while(GetMessage(&Msg, NULL, 0, 0) > 0)
{
TranslateMessage(&Msg);
DispatchMessage(&Msg);
}
return Msg.wParam;
}