MFC

#include <afxwin.h>

class MyApp :public CWinApp//app類
{
public:
	virtual BOOL InitInstance();//重寫父類的初始化函數

};


class MyFrame :public CFrameWnd//窗口框架類
{
public:
	MyFrame();//窗口類構造函數

	DECLARE_MESSAGE_MAP()//消息映射機制的聲明宏

	////鼠標點擊處理函數的聲明
	afx_msg void OnLButtonDown(UINT, CPoint);
};

#include "mfc.h"

MyApp app;
BOOL MyApp::InitInstance()
{
	MyFrame * pFrame = new MyFrame;
	//pFrame->Create(NULL, TEXT("mfc"));

	pFrame->ShowWindow(SW_SHOWNORMAL);
	pFrame->UpdateWindow();

	m_pMainWnd = pFrame;

	return TRUE;
}
//消息映射分界宏，相當於消息處理函數
BEGIN_MESSAGE_MAP(MyFrame,CFrameWnd)
	
	ON_WM_LBUTTONDOWN()//鼠標左鍵按下的映射入口，消息映射根據映射入口找到 afx_msg void OnLButtonDown( UINT, CPoint )
					   //#define ON_WM_LBUTTONDOWN( ) afx_msg void OnLButtonDown( UINT, CPoint ) 
END_MESSAGE_MAP()

MyFrame::MyFrame()
{
	//pFrame->Create(NULL, TEXT("mfc"));
	Create(NULL, TEXT("mfc"));

	
}
//鼠標點擊處理函數的實現
void MyFrame::OnLButtonDown(UINT, CPoint)
{
	CString str;
	str.Format(TEXT("%d %d"), 10, 20);
	MessageBox(str);
}