Helloworld

class CMyApp:public CWinApp
{
public:
    virtual BOOL InitInstance();
};

class CMainWindow:public CFrameWnd
{
public:
    CMainWindow();
protected:
    afx_msg void OnPaint();
    DECLARE_MESSAGE_MAP()
};

#include <afxwin.h>
#include "Hello.h"
CMyApp myAPP;

BOOL CMyApp::InitInstance()
{
    m_pMainWnd = new CMainWindow;
       m_pMainWnd->SetIcon(LoadIcon(IDI_ICON1),TRUE);
    m_pMainWnd->ShowWindow(m_nCmdShow);
    m_pMainWnd->UpdateWindow();
    return TRUE;
}

BEGIN_MESSAGE_MAP(CMainWindow,CFrameWnd)
    ON_WM_PAINT()
END_MESSAGE_MAP()

CMainWindow::CMainWindow()
{
    Create(NULL,_T("aaa"));
}

void CMainWindow::OnPaint()
{
    CPaintDC dc(this);
    CRect rect;
    GetClientRect(&rect);
    dc.DrawText(_T("ad"),-1,&rect,DT_SINGLELINE|DT_CENTER|DT_VCENTER);
}

Project Setting
General
Use of MFC 选择 Use MFC in a Shared DLL