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C-/C++-Quelltext

class CWindow
{
protected:
    ::MSG             msg;
    ::WNDCLASSW       wndclass;
    HWND__*           hwnd;
    HDC__*            hdc;

    __w64 long __stdcall WndProc (HWND__* hwnd, 
                                  unsigned int message,
                                  __w64 unsigned int wParam,
                                  __w64 long lParam);
    


public:
    bool create(std::basic_string<wchar_t> name,
                HINSTANCE__* hInstance, 
                HINSTANCE__* hPrevInstance,
                char *szCmdLine, int iCmdShow ); 


};

bool CWindow::create(std::basic_string<wchar_t> name,
                     HINSTANCE__* hInstance, 
                     HINSTANCE__* hPrevInstance,
                     char *szCmdLine, int iCmdShow ) 
{
    ::ZeroMemory(&hwnd,     sizeof(HWND__*));
    ::ZeroMemory(&msg,      sizeof(MSG));
    ::ZeroMemory(&wndclass, sizeof(WNDCLASSW));

    wndclass.style         = CS_HREDRAW | CS_VREDRAW;
    wndclass.lpfnWndProc   = NULL;
    wndclass.cbClsExtra    = 0;
    wndclass.cbWndExtra    = 0;
    wndclass.hInstance     = hInstance ;
    wndclass.hIcon         = NULL ;
    wndclass.hbrBackground = (HBRUSH) GetStockObject (RGB(0,0,0));
    wndclass.lpszMenuName  = NULL;
    wndclass.lpszClassName = name.c_str();

    if (!RegisterClass(&wndclass))
        return false;
 

   


    hwnd = CreateWindow (name.c_str(), name.c_str(), WS_SYSMENU|WS_CAPTION ,
                         CW_USEDEFAULT, CW_USEDEFAULT,
                         1024, 768,
                         NULL, NULL, hInstance, NULL);

    if(!IsWindow(hwnd))
        return false;

    


    ShowWindow (hwnd, iCmdShow);
    UpdateWindow (hwnd);

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

    return true;

}

__w64 long __stdcall CWindow::WndProc(HWND__* hwnd, unsigned int message,__w64 unsigned int wParam,
                                      __w64 long lParam)
{
    return ::DefWindowProc (hwnd, message, wParam, lParam);
}