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C-/C++-Quelltext

LRESULT CALLBACK WindowProc (HWND, UINT, WPARAM, LPARAM); 
bool    InitInstance(HINSTANCE, HWND);
bool    InitControls(HWND, HINSTANCE); 
int     Vokabelauswahl; 
int     Berechnung1 (int &Vokabelauswahl); 


// IDs der Child-Fenster 

// 

#define ID_STATICTEXT      4000 
#define ID_EDITBOX         4001 
#define ID_BTN_UEBERNEHMEN 4002 
#define ID_BTN_BEENDEN     4003 
#define ID_BTN_HILFE       4004 
#define ID_BTN_NEXT        4005 
#define ID_STATICTEXT2     4006 

// Globale Variablen 

HWND hText; 
HWND hText2;
HWND hEditBox;
HWND hUebernehmen;
HWND hBeenden;
HWND hHilfe; 
HWND hNext; 

int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE /*hPrevInstance*/, LPSTR /*lpCmdLine*/, int /*nCmdShow*/) 
{ 
    HWND    hWnd    = NULL;
    MSG     msg;

    if (!InitInstance(hInstance, hWnd)) 
        return 0; 

    while (GetMessage(&msg, NULL, 0, 0)) 
    { 
        TranslateMessage(&msg); 
        DispatchMessage(&msg); 
    } 

    return (int)(msg.wParam); 
}

bool InitInstance(HINSTANCE hInstance, HWND hWnd) 
{ 
    WNDCLASSEX  wcex;
    const char  szClassName[] = "Zweites Fenster"; 

    wcex.cbSize         = sizeof (WNDCLASSEX); 
    wcex.style          = CS_HREDRAW | CS_VREDRAW; 
    wcex.lpfnWndProc    = WindowProc; 
    wcex.cbClsExtra     = 0; 
    wcex.cbWndExtra     = 0; 
    wcex.hInstance      = hInstance; 
    wcex.hIcon          = LoadIcon(NULL, IDI_APPLICATION); 
    wcex.hIconSm        = LoadIcon(NULL, IDI_APPLICATION); 
    wcex.hCursor        = LoadCursor(NULL, IDC_ARROW); 
    wcex.hbrBackground  = (HBRUSH)COLOR_BACKGROUND+1; 
    wcex.lpszMenuName   = NULL; 
    wcex.lpszClassName  = szClassName; 

    if (!RegisterClassEx(&wcex)) 
        return false; 

    hWnd = CreateWindow(szClassName, "Eine kleine Anwendung", WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, 300, 220, NULL, NULL, hInstance, NULL); 

    if (!hWnd)
    {
        MessageBox(0, 0, 0, 0);
        return false;
    }

    ShowWindow(hWnd, SW_SHOW);
    UpdateWindow(hWnd);

    return true; 
}

bool InitControls(HWND hWnd, HINSTANCE hInstance) 
{ 
    hText       = CreateWindow ("STATIC", "Beispielvokabel", WS_VISIBLE | WS_CHILD | ES_CENTER, 0, 0, 300, 20, hWnd, (HMENU)ID_STATICTEXT, hInstance, NULL); 
    
    if (!hText)
        return false;
    
    hText2      = CreateWindow ("STATIC", "Richtig ist: ", WS_VISIBLE | WS_CHILD | ES_CENTER, 0, 40, 300, 30, hWnd, (HMENU)ID_STATICTEXT2, hInstance, NULL); 

    if (!hText2)
        return false;

    hEditBox = CreateWindow ("EDIT", 
                            "Bitte Text eingeben", 
                            WS_VISIBLE | WS_CHILD | WS_BORDER | ES_CENTER, 
                            0, 20, 
                            300, 20, 
                            hWnd, 
                            (HMENU)ID_EDITBOX, 
                            hInstance, 
                            NULL); 

  // "Übernehmen"-Button als Child-Fenster erstellen 

  // 

  hUebernehmen = CreateWindow ("BUTTON", 
                           "Übernehmen", 
                           BS_PUSHBUTTON | WS_VISIBLE | WS_CHILD, 
                           20, 80, 
                           95, 40, 
                           hWnd, 
                           (HMENU)ID_BTN_UEBERNEHMEN, 
                           hInstance, 
                           NULL); 

  // "Beenden"-Button als Child-Fenster erstellen 

  // 

  hBeenden = CreateWindow ("BUTTON", 
                           "Beenden", 
                           BS_PUSHBUTTON | WS_VISIBLE | WS_CHILD, 
                           175, 80, 
                           95, 40, 
                           hWnd, 
                           (HMENU)ID_BTN_BEENDEN, 
                           hInstance, 
                           NULL); 


    hHilfe = CreateWindow ("BUTTON", 
                           "Hilfe", 
                           BS_PUSHBUTTON | WS_VISIBLE | WS_CHILD, 
                           175, 135, 
                           95, 40, 
                           hWnd, 
                           (HMENU)ID_BTN_HILFE, 
                           hInstance, 
                           NULL); 


    hNext = CreateWindow ("BUTTON", 
                           "Next", 
                           BS_PUSHBUTTON | WS_VISIBLE | WS_CHILD, 
                           20, 135, 
                           95, 40, 
                           hWnd, 
                           (HMENU)ID_BTN_NEXT, 
                           hInstance, 
                           NULL); 

    return true;
} 

LRESULT CALLBACK WindowProc (HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) 
{ 
    switch (message) 
    { 
    case WM_CREATE:
        {
            InitControls(hWnd, GetModuleHandle(0));
            return 0;
        } break;
    case WM_KEYDOWN: 
        { 
            switch (wParam) 
            { 
            case VK_TAB: 
                { 
                    Berechnung1(Vokabelauswahl); 
                } break;
            case VK_ESCAPE: 
                { 
                    SendMessage(hWnd, WM_CLOSE, 0, 0); 
                } break;
            } 
        } break;
    case WM_DESTROY: 
        { 
            PostQuitMessage(0); 
            return 0; 
        } break;
    case WM_COMMAND: 
        {  
            switch (wParam) 
            { 
                case ID_BTN_UEBERNEHMEN: 
                { 
                    if (Vokabelauswahl == 1) 
                        SetWindowText (hText2, "Richtig ist: Insel"); 
                    else if (Vokabelauswahl == 2) 
                        SetWindowText(hText2, "Richtig ist: Herr");
                } break;
                case ID_BTN_NEXT: 
                { 
                    Berechnung1(Vokabelauswahl); 
                } break;
                case ID_BTN_HILFE: 
                { 
                    MessageBox(hWnd, "Hier kommt dann die Hilfe hin...", "Hilfe", MB_OK | MB_ICONINFORMATION); 
                } break;
                case ID_BTN_BEENDEN: 
                { 
                    if (MessageBox(hWnd, "Wirklich beenden?", "Programm beenden", MB_YESNO | MB_ICONQUESTION)  == IDYES) 
                        SendMessage(hWnd, WM_CLOSE, 0, 0);
                } break;
            }
        } break; 
    } 

    return DefWindowProc(hWnd, message, wParam, lParam); 
}

int Berechnung1(int &Vokabelauswahl) 
{ 
    srand (timeGetTime ()); 
    Vokabelauswahl = (rand ()%2 )+1;

    if (Vokabelauswahl == 1) 
    { 
        SetWindowText(hText, "insula f."); 
        SetWindowText(hEditBox, ""); 
        SetWindowText(hText2, "Richtig ist: "); 
    } 

    else if (Vokabelauswahl == 2) 
    { 
        SetWindowText(hText, "dominus m."); 
        SetWindowText(hEditBox, ""); 
        SetWindowText(hText2, "Richtig ist: "); 
    } 

    return (0); 
}