mydrawdoc.h

这个是我们学校用的VC++教案

// MyDrawDoc.h : interface of the CMyDrawDoc class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_MYDRAWDOC_H__FFC422EB_9CEB_11D6_888D_CAF533845373__INCLUDED_)
#define AFX_MYDRAWDOC_H__FFC422EB_9CEB_11D6_888D_CAF533845373__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "Line.h"
#include <afxtempl.h>  // 使用MFC类模板
class CMyDrawDoc : public CDocument
{
protected: // create from serialization only
	CMyDrawDoc();
	DECLARE_DYNCREATE(CMyDrawDoc)

// Attributes
public:

// Operations
public:

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CMyDrawDoc)
	public:
	virtual BOOL OnNewDocument();
	virtual void Serialize(CArchive& ar);
	virtual void DeleteContents();
	//}}AFX_VIRTUAL

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

protected:
	CTypedPtrArray<CObArray,CLine*>  m_LineArray;  // 存放线段对象指针的动态数组

public:
	CLine * GetLine(int nIndex);  // 获取指定序号直线对象的指针
	void  AddLine(CPoint pt1, CPoint pt2); // 向动态数组中添加新的线段对象的指针
	int GetNumLines();  // 获取线段的数量

// Generated message map functions
protected:
	//{{AFX_MSG(CMyDrawDoc)
		// 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()
};

/////////////////////////////////////////////////////////////////////////////

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_MYDRAWDOC_H__FFC422EB_9CEB_11D6_888D_CAF533845373__INCLUDED_)