ch10demo3doc.cpp

零基础学Visual.C....教案PPT.随书光盘-452M.zip

// Ch10Demo3Doc.cpp : implementation of the CCh10Demo3Doc class
//

#include "stdafx.h"
#include "Ch10Demo3.h"

#include "Ch10Demo3Doc.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CCh10Demo3Doc

IMPLEMENT_DYNCREATE(CCh10Demo3Doc, CDocument)

BEGIN_MESSAGE_MAP(CCh10Demo3Doc, CDocument)
	//{{AFX_MSG_MAP(CCh10Demo3Doc)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code!
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCh10Demo3Doc construction/destruction

CCh10Demo3Doc::CCh10Demo3Doc()
{
	// TODO: add one-time construction code here

}

CCh10Demo3Doc::~CCh10Demo3Doc()
{
}

BOOL CCh10Demo3Doc::OnNewDocument()
{
	if (!CDocument::OnNewDocument())
		return FALSE;

	// TODO: add reinitialization code here
	// (SDI documents will reuse this document)

	return TRUE;
}



/////////////////////////////////////////////////////////////////////////////
// CCh10Demo3Doc serialization

void CCh10Demo3Doc::Serialize(CArchive& ar)
{
	int count;
	if (ar.IsStoring())
	{
		// TODO: add storing code here	
		count=m_graphlist.GetCount();//获取链表元素数目
		ar<<count;//写入序列化对象
		POSITION pos = m_graphlist.GetHeadPosition();	
		for (int i=0;i<count;i++)						//遍历链表
		{		
			CGraph* m_pGraph=(CGraph*)m_graphlist.GetNext(pos);
			//依次将链表中的元素写入
			ar<<m_pGraph->m_star;
			ar<<m_pGraph->m_end;
			ar<<m_pGraph->m_type;	
		}		
	}
	else
	{
		// TODO: add loading code here
		if(!m_graphlist.IsEmpty())
			m_graphlist.RemoveAll();//清空链表

		ar>>count;//读取链表中图形对象的数目
		for(int i=0;i<count;i++)
		{
			CGraph* m_pGraph= new CGraph;//创建结构体对象指针;
			ar>>m_pGraph->m_star;//读取数据
			ar>>m_pGraph->m_end;
			ar>>m_pGraph->m_type;	
			m_graphlist.AddTail(m_pGraph);//添加至链表
		}
	
	}
}

/////////////////////////////////////////////////////////////////////////////
// CCh10Demo3Doc diagnostics

#ifdef _DEBUG
void CCh10Demo3Doc::AssertValid() const
{
	CDocument::AssertValid();
}

void CCh10Demo3Doc::Dump(CDumpContext& dc) const
{
	CDocument::Dump(dc);
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CCh10Demo3Doc commands

void CCh10Demo3Doc::DeleteContents() 
{
	// TODO: Add your specialized code here and/or call the base class
	if(!m_graphlist.IsEmpty())
	m_graphlist.RemoveAll();//清空链表
	CDocument::DeleteContents();
}