drawview.h

这源代码是书本《visual c++.net MFC 类库应用详解》的

// DrawView.h : CDrawView 类的接口
//


#pragma once


class CDrawView : public CScrollView
{
protected: // 仅从序列化创建
	CDrawView();
	DECLARE_DYNCREATE(CDrawView)
protected:
    int m_Drag;
    HCURSOR m_HCursor;
    CPoint m_pPrev;
    CPoint m_pOrigin;
    CPoint m_SelectFirstPoint;
	CPoint m_SelectSecondPoint;
    bool IsInArea(CPoint point,CRect rect);

// 属性
public:
	CDrawDoc* GetDocument() const;

// 操作
public:

// 重写
public:
	virtual void OnDraw(CDC* pDC);  // 重写以绘制该视图
    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);
    void PrintPageHeader(CDC* pDC,CPrintInfo* pInfo,CString& strHeader);

// 实现
public:
	virtual ~CDrawView();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:

// 生成的消息映射函数
protected:
	DECLARE_MESSAGE_MAP()
public:
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
	afx_msg void OnMouseMove(UINT nFlags, CPoint point);
	afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
	virtual void OnInitialUpdate();
//	afx_msg BOOL OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message);
protected:
	virtual void OnPrint(CDC* pDC, CPrintInfo* pInfo);
};

#ifndef _DEBUG  // DrawView.cpp 的调试版本
inline CDrawDoc* CDrawView::GetDocument() const
   { return reinterpret_cast<CDrawDoc*>(m_pDocument); }
#endif