CounterView.
cpp
BEGIN_MESSAGE_MAP(CCounterView, CView)
//{{AFX_MSG_MAP(CCounterView)
ON_WM_LBUTTONDOWN()
ON_WM_RBUTTONDOWN()
//}}AFX_MSG_MAP
// Standard printing commands
ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
ON_COMMAND(ID_FILE_PRINT_PREVIEW,CView::OnFilePrintPreview)
END_MESSAGE_MAP()
void CCounterView::OnDraw(CDC* pDC)
{
CCounterDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
// TODO: add draw code for native data here
CRect r;
GetClientRect(&r);
CString str;
str.Format("%d",pDoc->count);
pDC->DrawText(str,-1,&r,DT_CENTER|DT_VCENTER);
}
CCounterView message handlers
void CCounterView::OnLButtonDown(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
CCounterDoc *pdoc=GetDocument();
pdoc->count++;
Invalidate();
CView::OnLButtonDown(nFlags, point);
}
void CCounterView::OnRButtonDown(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
CCounterDoc *pdoc=GetDocument();
pdoc->count--;
Invalidate();
CView::OnRButtonDown(nFlags, point);
}
CounterDoc.h
class CCounterDoc : public CDocument
{
protected: // create from serialization only
CCounterDoc();
DECLARE_DYNCREATE(CCounterDoc)
// Attributes
public:
// Operations
int count;
public:
// Overrides
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CCounterDoc)
public:
virtual BOOL OnNewDocument();
virtual void Serialize(CArchive& ar);
//}}AFX_VIRTUAL
// Implementation
public:
virtual ~CCounterDoc();
#ifdef _DEBUG
virtual void AssertValid() const;
virtual void Dump(CDumpContext& dc) const;
#endif
protected:
// Generated message map functions
protected:
//{{AFX_MSG(CCounterDoc)
// NOTE - the ClassWizard will add and remove member functions here.
// DO NOT EDIT what you see in these blocks of generated code !
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};
CounterView.h
class CCounterView : public CView
{
protected: // create from serialization only
CCounterView();
DECLARE_DYNCREATE(CCounterView)
// Attributes
public:
CCounterDoc* GetDocument();
// Operations
public:
// Overrides
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CCounterView)
public:
virtual void OnDraw(CDC* pDC); // overridden to draw this view
virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
protected:
virtual BOOL OnPreparePrinting(CPrintInfo* pInfo);
virtual void OnBeginPrinting(CDC* pDC, CPrintInfo* pInfo);
virtual void OnEndPrinting(CDC* pDC, CPrintInfo* pInfo);
//}}AFX_VIRTUAL
// Implementation
public:
virtual ~CCounterView();
#ifdef _DEBUG
virtual void AssertValid() const;
virtual void Dump(CDumpContext& dc) const;
#endif
protected:
// Generated message map functions
protected:
//{{AFX_MSG(CCounterView)
afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
afx_msg void OnRButtonDown(UINT nFlags, CPoint point);
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};
