ProgressBar [ besoin d'aide ]

#include <windows.h>
#include <mmsystem.h>
#include <iostream>
#pragma comment( lib, "winmm.lib" )
#include <Wininet.h>
#pragma comment(lib,"Wininet.lib" )
#include "main.h"

typedef int (*TestNetFunction) (int);
typedef int (*TestDLLFunction) (int);

typedef BOOL (WINAPI *PF_INETGETCONNECTEDSTATE)(LPDWORD, DWORD);

using namespace std;


/*  Declare Windows procedure  */
LRESULT CALLBACK WindowProcedure (HWND, UINT, WPARAM, LPARAM);

/*  Make the class name into a global variable  */
char szClassName[ ] = "WindowsApp";

int WINAPI WinMain (HINSTANCE hThisInstance,
                    HINSTANCE hPrevInstance,
                    LPSTR lpszArgument,
                    int nFunsterStil)

{
    HWND hwnd;               /* This is the handle for our window */
    MSG messages;            /* Here messages to the application are saved */
    WNDCLASSEX wincl;        /* Data structure for the windowclass */
    int Chargement();
    BOOL bConnected;
    DWORD dwFlags;

    /* The Window structure */
    wincl.hInstance = hThisInstance;
    wincl.lpszClassName = szClassName;
    wincl.lpfnWndProc = WindowProcedure;      /* This function is called by windows */
    wincl.style = CS_DBLCLKS;                 /* Catch double-clicks */
    wincl.cbSize = sizeof (WNDCLASSEX);

    /* Use default icon and mouse-pointer */
    wincl.hIcon = LoadIcon (hThisInstance, "ICON");
    wincl.hIconSm = LoadIcon (hThisInstance, "ICONE");
    wincl.hCursor = LoadCursor (NULL, IDC_ARROW);
    wincl.lpszMenuName = NULL;                 /* No menu */
    wincl.cbClsExtra = 0;                      /* No extra bytes after the window class */
    wincl.cbWndExtra = 0;                      /* structure or the window instance */
    /* Use Windows's default color as the background of the window */
    wincl.hbrBackground = (HBRUSH) COLOR_BACKGROUND;

    /* Register the window class, and if it fails quit the program */
    if (!RegisterClassEx (&wincl))
        return 0;

    /* The class is registered, let's create the program*/
    hwnd = CreateWindowEx (
           0,                   /* Extended possibilites for variation */
           szClassName,         /* Classname */
           "Fenètre de chargement et de vérification des données ...",       /* Title Text */
           WS_OVERLAPPED, /* default window */
           CW_USEDEFAULT,       /* Windows decides the position */
           CW_USEDEFAULT,       /* where the window ends up on the screen */
           591,                 /* The programs width */
           530,                 /* and height in pixels */
           HWND_DESKTOP,        /* The window is a child-window to desktop */
           NULL,                /* No menu */
           hThisInstance,       /* Program Instance handler */
           NULL                 /* No Window Creation data */
           );

    /* Make the window visible on the screen */
    int sound;
    sound = PlaySound("Demarage.wav", hThisInstance, SND_ASYNC);
    ShowWindow(hwnd, nFunsterStil);
    
    
    /* Run the message loop. It will run until GetMessage() returns 0 */
    while (GetMessage (&messages, NULL, 0, 0))
    {
        /* Send message to WindowProcedure */
        DispatchMessage(&messages);
    }

    /* The program return-value is 0 - The value that PostQuitMessage() gave */
    return messages.wParam;
}


/*  This function is called by the Windows function DispatchMessage()  */

LRESULT CALLBACK WindowProcedure (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
        HINSTANCE hinstDLL;
        static HBITMAP hbitmap; // pour le bitmap 

    switch (message)                  /* handle the messages */
    {
           
           
       case WM_PAINT: 
           HDC hdc;
           HDC hdcMemory; 
           HFONT Font;
           PAINTSTRUCT ps; 
           hdc=BeginPaint(hwnd,&ps); // obtient un handle de contexte de périphérique 
           int Text;
           
           
           BITMAP bm; 
           hbitmap=(HBITMAP) LoadImage(NULL,"Demarage.bmp",IMAGE_BITMAP,0, 0,LR_LOADFROMFILE); 
           hdcMemory=CreateCompatibleDC(NULL); 
           SelectObject(hdcMemory,hbitmap); 
           GetObject(hbitmap,sizeof(bm),&bm); 

           BitBlt(hdc,0,0,bm.bmWidth,bm.bmHeight,hdcMemory,0,0,SRCCOPY); 
           
           SelectObject(hdc, (HGDIOBJ) Font); //Utilise cette font créee pour les TextOut qui suivent
           SetBkColor(hdc, RGB(255,0,0)); //Ecrit le texte sur un fond rouge.
           
           //Verification de la presence des fichier *.dll
           Text = TextOut(hdc, 10, 10, " Chargement des fichiers   *.dll ", strlen(" Chargement des fichiers  *.dll "));
           PresenceDLL();
           DeleteObject(Font);
           
           //test de la connection internet
           Text = TextOut(hdc, 10, 10, " Test de la connection internet              ", strlen(" Test de la connection internet          ")); // Idem
           InternetFunction();
           DeleteObject(Font);
           
                      
           Text = TextOut(hdc, 10, 10, " Ouverture  de  Racourci  Fsx    ", strlen(" Ouverture  de  Racourci  Fsx  ")); // Idem
           Sleep(2000);
           DeleteObject(Font);
                    
           DeleteDC(hdcMemory); 
                     
           EndPaint(hwnd,&ps); // libère un handle de contexte de périphérique 
                     
           Sleep(5500);
           PostQuitMessage (0);       /* send a WM_QUIT to the message queue */
           return 0; 

        case WM_DESTROY:
            PostQuitMessage (0);       /* send a WM_QUIT to the message queue */
            break;
        default:                      /* for messages that we don't deal with */
            return DefWindowProc (hwnd, message, wParam, lParam);
    }

    return 0;
}

//Test de la connectiviter internet
HINSTANCE hinstDLL;

void InternetFunction()
{
                  //Chargement de la dll de test de connection 
                  TestNetFunction TestNet(0);
                  hinstDLL = LoadLibrary("TestNet.dll");
                  if(hinstDLL != 0)
                  {
                          TestNet = (TestNetFunction)GetProcAddress(hinstDLL, "TestNet" );
                  }
                  if(TestNet == 0) {};
                  int AM = TestNet(5);
                  if(AM == 5)
                  {
                  }
                  FreeLibrary(hinstDLL);
                  
};

//test la presence des fichiers *.dll
void PresenceDLL()
{
                  TestDLLFunction TestDLL(0);
                  hinstDLL = LoadLibrary("TestDLL.dll");
                  if(hinstDLL != 0)
                  {
                          TestDLL = (TestNetFunction)GetProcAddress(hinstDLL, "TestDLL" );
                  }
                  if(TestDLL == 0) {};
                  int DLL = TestDLL(5);
                  if(DLL == 5)
                  {
                  }
                  FreeLibrary(hinstDLL);
};

#define ID_ICON
#define SND_ASYNC    1
#define INTERNET_CONNECTION_OFFLINE 2

void InternetFunction();
void PresenceDLL();

ID_ICON ICON MOVEABLE PURE LOADONCALL DISCARDABLE "C:/Dev-Cpp/Icons/Rfsx.ico"
ICONE ICON "C:/Dev-Cpp/Icons/Rfsx.ico"