Code c++ : Sélectionner tout - Visualiser dans une fenêtre à part
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#include <windows.h>
#include<resourci.h>
#define IDM_QUIT 1
HMENU hMenu, hSousMenu;
HINSTANCE hinst;
LRESULT CALLBACK MainWndProc(HWND, UINT, WPARAM, LPARAM);
int WINAPI WinMain(HINSTANCE hinstance, HINSTANCE hPrevInstance,
                                                LPSTR lpCmdLine, int nCmdShow){
HWND hwnd;
    MSG msg;
    WNDCLASS wc;
    HMENU hMenu, hSousMenu;
    hinst = hinstance;
    wc.style = 0 ;
    wc.lpfnWndProc = MainWndProc;
    wc.cbClsExtra = 0;
    wc.cbWndExtra = 0;
    wc.hInstance = hinstance;
    wc.hIcon = NULL;
    wc.hCursor = LoadCursor(NULL, IDC_ARROW);
    wc.hbrBackground = NULL;
    wc.lpszMenuName =  NULL;
    wc.lpszClassName = "MaWinClass";
    if(!RegisterClass(&wc)) return FALSE;
    hSousMenu = CreateMenu();
    AppendMenu(hSousMenu, MF_STRING, IDM_QUIT, "Quitter");
    hMenu  = CreateMenu();
    AppendMenu(hMenu,MF_POPUP,(UINT)hSousMenu,"Fichier");
    hwnd = CreateWindow("MaWinClass", "Titre", WS_OVERLAPPEDWINDOW,
    CW_USEDEFAULT, CW_USEDEFAULT, 400, 300,NULL, hMenu, hinstance, NULL);
    if (!hwnd)  return FALSE;
    ShowWindow(hwnd, nCmdShow);
    while (GetMessage(&msg, NULL, 0, 0)){
TranslateMessage(&msg);
DispatchMessage(&msg);}
    return msg.wParam;}
LRESULT CALLBACK MainWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam){
static HWND hEdit;
static BOOL EditNotChg = TRUE;switch (uMsg){case WM_CREATE:{
HFONT hFont;hEdit = CreateWindow("edit", "Texte",WS_CHILD | WS_VISIBLE | ES_MULTILINE | ES_WANTRETURN | WS_VSCROLL,
0, 0, 0, 0, hwnd, NULL, hinst, NULL);
hFont = (HFONT)GetStockObject(ANSI_FIXED_FONT);
SendMessage(hEdit,WM_SETFONT,(UINT)hFont,TRUE);
SendMessage(hEdit, EM_SETMARGINS, EC_LEFTMARGIN | EC_RIGHTMARGIN,MAKELONG(5, 5));}
case WM_CLOSE:
if(EditNotChg ||MessageBox(hwnd,"Le texte a été modifié.\r\nEtes vous sûr de \vouloir fermer l'application ?","Question ?",MB_YESNO | MB_ICONQUESTION ) == IDYES)
DestroyWindow(hwnd);return 0;
case WM_COMMAND:if(LOWORD(wParam) == IDM_QUIT) PostMessage(hwnd, WM_CLOSE,0,0);
if(HIWORD(wParam) == EN_CHANGE) EditNotChg = FALSE;
case WM_SIZE:MoveWindow(hEdit, 0, 0, LOWORD(lParam), HIWORD(lParam), TRUE);
case WM_DESTROY:PostQuitMessage(0);
default:return DefWindowProc(hwnd, uMsg, wParam, lParam);}}


ce code ne veut pas fonctionner et je ne sais pas pourqoi???
meci..

sans mettre #include<resourci.h>