Visual C++ and MFC Programming 2nd Edition

Chapter 5: The Document/View Architecture Visual C++ and MFC Fundamentals

};

BEGIN_MESSAGE_MAP(CMainFrame, CFrameWnd)

ON_WM_CREATE()

ON_WM_KEYDOWN()

ON_WM_LBUTTONDOWN()

END_MESSAGE_MAP()

int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)

{

if (CFrameWnd::OnCreate(lpCreateStruct) == -1)

return -1;

return 0;

}

void CMainFrame::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags)

{

switch(nChar)

{

case VK_RETURN:

MessageBox("You pressed Enter");

break;

case VK_F1:

MessageBox("Help is not available at the moment");

break;

case VK_DELETE:

MessageBox("Can't Delete This");

break;

default:

MessageBox("Whatever");

}

}

void CMainFrame::OnLButtonDown(UINT nFlags, CPoint point)

{

char *MsgCoord = new char[20];

sprintf(MsgCoord, "Left Button at P(%d, %d)", point.x, point.y);

MessageBox(MsgCoord);

}

BOOL CExerciseApp::InitInstance()

{

m_pMainWnd = new CMainFrame ;

m_pMainWnd->ShowWindow(SW_SHOW);

m_pMainWnd->UpdateWindow();

return TRUE;

}

CExerciseApp theApp;

2. Test the program: