#include <afxwin.h>

class CMainWindow : public CFrameWnd
{
public:
    CMainWindow()
    {
        CRect rect(0, 0, 400, 300);
        Create(NULL, _T("こんにちは、GUI!"), WS_OVERLAPPEDWINDOW, rect);
        CenterWindow();
    };
};

class CHelloGUIApp : public CWinApp
{
public:
    virtual BOOL InitInstance()
    {
        m_pMainWnd = new CMainWindow();
        m_pMainWnd->ShowWindow(m_nCmdShow);
        m_pMainWnd->UpdateWindow();
        return TRUE;
    }
};

CHelloGUIApp  helloGUIApp;