renamedlg.cpp

大型实验：Unix文件管系统模拟。用内存中的一段区域模拟硬盘空间

// RenameDlg.cpp : implementation file
//

#include "stdafx.h"
#include "FileSys.h"
#include "RenameDlg.h"
#include "filsys.h"

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

/////////////////////////////////////////////////////////////////////////////
// CRenameDlg dialog


CRenameDlg::CRenameDlg(char* pname,CWnd* pParent /*=NULL*/)
	: CDialog(CRenameDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CRenameDlg)
	m_fname = _T(pname);
	//}}AFX_DATA_INIT
}


void CRenameDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CRenameDlg)
	DDX_Text(pDX, IDC_EDIT1, m_fname);
	DDV_MaxChars(pDX, m_fname, 14);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CRenameDlg, CDialog)
	//{{AFX_MSG_MAP(CRenameDlg)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CRenameDlg message handlers

void CRenameDlg::OnOK() 
{
	// TODO: Add extra validation here
	CString oldname = m_fname;
	UpdateData(true);
	if(m_fname.GetLength()<=0)
		return;

	int r = _rename(oldname.GetBuffer(oldname.GetLength()),m_fname.GetBuffer(m_fname.GetLength()));
	
	if(r<0){
		m_fname = oldname;
		UpdateData(false);

		MessageBox("重命名失败！","系统提示");

		return ;
	}
	CDialog::OnOK();
}