MFC学习笔记-HellowWorld

class CMyApp:public CWinApp
{
public:
	virtual BOOL InitInstance();
};
class CMyFrame:public CFrameWnd
{
public:
CMyFrame();
protected:
	afx_msg void OnLButtonDown(UINT NfLAGS,CPoint point);
	afx_msg void OnPaint();
	DECLARE_MESSAGE_MAP()
};

#include <afxwin.h>
#include "MyApp.h"

CMyApp theApp;

BOOL CMyApp::InitInstance()
{
	m_pMainWnd = new CMyFrame();
	m_pMainWnd->ShowWindow(m_nCmdShow);
	m_pMainWnd->UpdateWindow();
	return true;
}

BEGIN_MESSAGE_MAP(CMyFrame,CFrameWnd)
	ON_WM_LBUTTONDOWN()
	ON_WM_PAINT()
END_MESSAGE_MAP()

CMyFrame::CMyFrame()
{
	Create(NULL,"MYAPP Application");
}
void CMyFrame::OnLButtonDown(UINT nFlags,CPoint point)
{
	TRACE("Entering MyApp - %lx,%d,%d\n",(long)nFlags,point.x,point.y);
}
void CMyFrame::OnPaint()
{
	CPaintDC dc(this);
	dc.TextOutA(0,0,"Hello,world");
}