Study Win32 API

#if defined(UNICODE) && !defined(_UNICODE)
#define _UNICODE
#elif defined(_UNICODE) && !defined(UNICODE)
#define UNICODE
#endif

//#define _WIN32_WINNT 0x0600
//#define _WIN32_IE 0x0900

#define _WIN32_WINNT  0x0501
#define  WINVER       0x0501
#define _WIN32_IE     0x0600

#include <tchar.h>
#include <windows.h>
#include <commctrl.h>

#define ID_DEFAULT 42
#define ID_BUTTON0 0
#define ID_QUIT 99

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

/*  Make the class name into a global variable  */
TCHAR szClassName[ ] = _T("CodeBlocksWindowsApp");

int WINAPI WinMain (HINSTANCE hThisInstance, HINSTANCE hPrevInstance, LPSTR lpszArgument, int nCmdShow)
{

    INITCOMMONCONTROLSEX icex;
    icex.dwSize = sizeof(INITCOMMONCONTROLSEX);
    icex.dwICC = ICC_STANDARD_CLASSES;
    InitCommonControlsEx(&icex);

    //MessageBoxW(NULL, lpszArgument, L"Title", MB_OK);

    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 */

    static HWND buttons[1] = {NULL};
    HMENU menu, sousMenu;

    /* 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 (NULL, IDI_APPLICATION);
    wincl.hIconSm = LoadIcon (NULL, IDI_APPLICATION);
    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 colour 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;


    sousMenu = CreateMenu();
    AppendMenu(sousMenu, MF_STRING, ID_DEFAULT, "New..");
    AppendMenu(sousMenu, MF_SEPARATOR, (UINT)NULL, "");
    AppendMenu(sousMenu, MF_STRING, ID_DEFAULT, "Open..");
    AppendMenu(sousMenu, MF_SEPARATOR, (UINT)NULL, "");
    AppendMenu(sousMenu, MF_STRING, ID_DEFAULT, "Save..");
    AppendMenu(sousMenu, MF_STRING, ID_DEFAULT, "Save As..");
    AppendMenu(sousMenu, MF_SEPARATOR, (UINT)NULL, "");
    AppendMenu(sousMenu, MF_STRING, ID_QUIT, "Quitter");



    menu = CreateMenu();
    AppendMenu(menu, MF_POPUP, (UINT)sousMenu, "File");
    AppendMenu(menu, MF_POPUP, (UINT)sousMenu, "Edit");
    AppendMenu(menu, MF_POPUP, (UINT)sousMenu, "View");


    /* The class is registered, let's create the program*/
    hwnd = CreateWindowEx (
               0,                   /* Extended possibilites for variation */
               szClassName,         /* Classname */
               _T("Mugen Sprite Editor"),       /* Title Text */
               WS_OVERLAPPEDWINDOW, /* default window */
               CW_USEDEFAULT,       /* Windows decides the position */
               CW_USEDEFAULT,       /* where the window ends up on the screen */
               800,                 /* The programs width */
               600,                 /* 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 */
           );


    buttons[0] = CreateWindow("BUTTON", "Mugen", WS_CHILD | WS_VISIBLE, 5, 5, 80, 24, hwnd, ID_BUTTON0, hThisInstance, NULL);
    buttons[1] = CreateWindow("BUTTON", "Animation", WS_CHILD | WS_VISIBLE, 90, 5, 80, 24, hwnd, ID_BUTTON0, hThisInstance, NULL);

    SetMenu(hwnd, menu); // add menu bar




    HWND hEdit=CreateWindow(
                        "EDIT",
                        "Modifiez le texte SVP",
                         WS_VISIBLE|WS_CHILD|WS_BORDER|ES_MULTILINE|ES_AUTOHSCROLL|ES_AUTOVSCROLL,
                         8,32,500,200,hwnd,NULL,hThisInstance,NULL);

    HFONT myFont = CreateFont(16, 0, 0, 0, 0, FALSE, 0, 0, 0, 0, 0, 0, 0, "gohufont");
    SendMessage(hEdit, WM_SETFONT, WPARAM(myFont), TRUE);

    /* Make the window visible on the screen */
    ShowWindow (hwnd, nCmdShow);

    /* Run the message loop. It will run until GetMessage() returns 0 */
    while (GetMessage (&messages, NULL, 0, 0))
    {
        /* Translate virtual-key messages into character messages */
        TranslateMessage(&messages);
        /* 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)
{

    switch (message)                  /* handle the messages */
    {

    case WM_CREATE:

        break;
    case WM_COMMAND:
        switch(LOWORD(wParam))
        {
        case ID_QUIT:
            PostQuitMessage(0);
            break;
        }
        return 0;
    case WM_DESTROY:
        PostQuitMessage (0);       /* send a WM_QUIT to the message queue */
        break;
    case WM_KEYDOWN:
        if (wParam == VK_ESCAPE)
        {
            PostQuitMessage(0);
        }
    default:                      /* for messages that we don't deal with */
        return DefWindowProc (hwnd, message, wParam, lParam);
    }

    return 0;
}