[file head]:
// DSplitDoc.cpp : implementation of the CDSplitDoc class
//

#include "stdafx.h"
#include "DSplit.h"

#include "DSplitDoc.h"

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

/////////////////////////////////////////////////////////////////////////////
// CDSplitDoc

IMPLEMENT_DYNCREATE(CDSplitDoc, CDocument)

BEGIN_MESSAGE_MAP(CDSplitDoc, CDocument)
//{{AFX_MSG_MAP(CDSplitDoc)
ON_COMMAND(ID_FILEOPEN, OnFileopen)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDSplitDoc construction/destruction

CDSplitDoc::CDSplitDoc()
{
// TODO: add one-time construction code here
statedoc=0;
}

CDSplitDoc::~CDSplitDoc()
{
}

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

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

return TRUE;
}



////////////////
... ...

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/////////////////////////////////////////////////////
// CDSplitDoc serialization

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

/////////////////////////////////////////////////////////////////////////////
// CDSplitDoc diagnostics

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

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

/////////////////////////////////////////////////////////////////////////////
// CDSplitDoc commands

void CDSplitDoc::OnFileopen()
{
// TODO: Add your command handler code here
CFileDialog dlg(TRUE,_T("BMP"),_T("*.BMP"),OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT,_T("位图文件(*.BMP)|*.BMP|"));
if(IDOK==dlg.DoModal ())
filename.Format (">s",dlg.GetPathName() );
CDib.LoadFile(filename);
CDibNew.LoadFile(filename);
statedoc=1;
}