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C-/C++-Quelltext

void ComboBox::Initialize()
{
    wWindow window;

    ////////////////////////////////////
    //                                //
    //      Combobox Informations     //
    //                                //
    ////////////////////////////////////
    TCHAR Combobox_File[9][16] =
    {
        TEXT("New"), TEXT("Open"), TEXT("Add"), TEXT("Save      Ctrl+S"),
        TEXT("Save As..."), TEXT("Save All"), TEXT("Exit        Alt+F4")
    };

    // Create the parameters for FILE Combobox
    //
    // Uses the CreateWindow function to create a child window of 
    // the application window. The WC_COMBOBOX window style specifies  
    // that it is a combobox.
    int xPos = 100;                 // Horizontal position of the window
    int yPos = 100;                 // Vertical position of the window
    int nWidth = 200;               // Width of the window
    int nHeight = 200;              // Height of the window
    HWND hWndParent = window[0];    // Get the window from the Window Class

    // Create the Combobox_File
    HWND hWndComboBox_File = CreateWindow(WC_COMBOBOX, TEXT(""),
                                          CBS_DROPDOWN | CBS_HASSTRINGS | WS_CHILD | WS_OVERLAPPED | WS_VISIBLE,
                                          xPos, yPos, nWidth, nHeight, hWndParent, NULL, HINST_THISCOMPONENT,
                                          NULL);

    TCHAR A[16];
    int k = 0;

    memset(&A, 0, sizeof(A));
    // Go trough every TEXT in the string
    for (k = 0; k <= 8; k += 1)
    {
        // Copies a string
        wcscpy_s(A, sizeof(A) / sizeof(TCHAR), (TCHAR*)Combobox_File[k]);

        // Add string to combobox
        SendMessage(hWndComboBox_File, (UINT)CB_ADDSTRING, (WPARAM)0, (LPARAM)A);
    }

    // Send the CB_SETCURSEL message to display an initial item 
    // in the selection field  
    SendMessage(hWndComboBox_File, CB_SETCURSEL, (WPARAM)2, (LPARAM)0);

    return;
}

C-/C++-Quelltext

m_comboBox->Initialize();

C-/C++-Quelltext

HWND& operator[](int index)
    {
        switch (index)
        {
        case 0:
            return m_hwnd;
            break;

        default:
            throw std::out_of_range("Index in operator[] of Window.h is out of range");
        }
    }