最简单的MFC程序

建立一个Win32空项目后，然后手工打造的最简单的MFC程序：

  1: //stdafx.h
  2: #pragma once
  3: #include <sdkddkver.h>
  4: #include <afxwin.h>
  5: #include <afxwinappex.h>
  6: #include <afxframewndex.h>

  1: //stdafx.cpp
  2: #include "stdafx.h"

  1: //MainApp.h
  2: #pragma once
  3: class CMainApp : public CWinAppEx
  4: {
  5: public:
  6: 	virtual BOOL InitInstance();
  7: };

  1: //MainApp.cpp
  2: #include "stdafx.h"
  3: #include "MainApp.h"
  4: #include "MainWindow.h"
  5: 
  6: CMainApp mianApp;
  7: 
  8: BOOL CMainApp::InitInstance()
  9: {
 10: 	CWinAppEx::InitInstance();
 11: 
 12: 	SetRegistryKey(TEXT("Hello MFC app."));
 13: 
 14: 	m_pMainWnd = new CMainWindow();
 15: 	m_pMainWnd->ShowWindow(SW_SHOW);
 16: 	m_pMainWnd->UpdateWindow();
 17: 	return TRUE;
 18: }

  1: //MainWindow.h
  2: #pragma once
  3: class CMainWindow : public CFrameWndEx
  4: {
  5: public:
  6: 	CMainWindow(void);
  7: 
  8: 	DECLARE_MESSAGE_MAP()
  9: 
 10: 	afx_msg void OnPaint();
 11: 	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
 12: };

  1: //MainWindow.cpp
  2: #include "stdafx.h"
  3: #include "MainWindow.h"
  4: 
  5: CMainWindow::CMainWindow(void)
  6: {
  7: 	Create(NULL,TEXT("Main window"));
  8: }
  9: 
 10: BEGIN_MESSAGE_MAP(CMainWindow, CFrameWndEx)
 11: 	ON_WM_PAINT()
 12: 	ON_WM_LBUTTONDOWN()
 13: END_MESSAGE_MAP()
 14: 
 15: void CMainWindow::OnPaint()
 16: {
 17: 	CPaintDC dc(this); // device context for painting
 18: 	// TODO: Add your message handler code here
 19: 	CRect rc;
 20: 	GetClientRect(&rc);
 21: 	dc.DrawText(TEXT("It is a simple MFC application!"),&rc,DT_VCENTER|DT_SINGLELINE|DT_CENTER);
 22: }
 23: 
 24: void CMainWindow::OnLButtonDown(UINT nFlags, CPoint point)
 25: {
 26: 	// TODO: Add your message handler code here and/or call default
 27: 	AfxMessageBox(TEXT("Left mouse button clicked!"));
 28: 	CFrameWndEx::OnLButtonDown(nFlags, point);
 29: }