myeditdoc.cpp

地理信息系统(GIS)相关.实现按照方向加产状的功能.

// MyEditDoc.cpp : implementation of the CMyEditDoc class
//

#include "stdafx.h"
#include "VCEditDemo.h"

#include "MyEditDoc.h"
#include "MyEditView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMyEditDoc

IMPLEMENT_DYNCREATE(CMyEditDoc, CDocument)

BEGIN_MESSAGE_MAP(CMyEditDoc, CDocument)
	//{{AFX_MSG_MAP(CMyEditDoc)
		// 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()

/////////////////////////////////////////////////////////////////////////////
// CMyEditDoc construction/destruction

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

}

CMyEditDoc::~CMyEditDoc()
{
}

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

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

	return TRUE;
}



/////////////////////////////////////////////////////////////////////////////
// CMyEditDoc serialization

void CMyEditDoc::Serialize(CArchive& ar)
{
	if (ar.IsStoring())
	{
		// TODO: add storing code here
	}
	else
	{
		// TODO: add loading code here
	}
}

/////////////////////////////////////////////////////////////////////////////
// CMyEditDoc diagnostics

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

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

/////////////////////////////////////////////////////////////////////////////
// CMyEditDoc commands
//判断窗口能否安全关闭,此时进行关闭工作区等工作
BOOL CMyEditDoc::CanCloseFrame(CFrameWnd* pFrame) 
{
	short rtn=1;
	CMyEditView* EditView;
    POSITION pos = GetFirstViewPosition();

    while (pos != NULL)
	{
		CView* pView = GetNextView(pos);
	    CRuntimeClass* pRClass = pView->GetRuntimeClass();
        if(!strcmp(pRClass->m_lpszClassName,"CMyEditView"))   
		{
			EditView = (CMyEditView*)pView;
			rtn = rtn && EditView->CanClose();
		}
	}   

	//返回值:0--不关闭框架(按下"取消")
	//返回值:1--关闭框架
	//return CDocument::CanCloseFrame(pFrame);
	return rtn;
}