backupdialog.cpp

WinCE开发技巧与实例的配套源码

// BackupDialog.cpp : implementation file
//
#include "stdafx.h"
#include "resource.h"
#include "BackupDialog.h"
#include "SQLCEDemo.h"
#include "StorageCard.h"

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

/////////////////////////////////////////////////////////////////////////////
// CBackupDialog dialog


CBackupDialog::CBackupDialog(CWnd* pParent /*=NULL*/)
	: CDialog(CBackupDialog::IDD, pParent)
{
	//{{AFX_DATA_INIT(CBackupDialog)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
}


void CBackupDialog::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CBackupDialog)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CBackupDialog, CDialog)
	//{{AFX_MSG_MAP(CBackupDialog)
	ON_BN_CLICKED(IDC_BUT_BACKUP, On_ButBackup)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CBackupDialog message handlers

void CBackupDialog::On_ButBackup() 
{
	CWaitCursor waitcursor;
	CStorageCard p;	
	POSITION pos = p.s_listStorageName.GetHeadPosition();	
	CString strPath;
	
	CSQLCEDemoApp* pTheApp = (CSQLCEDemoApp*)AfxGetApp();
	if (pTheApp->m_bErrorDB)	//错误的数据库或者没有，不用备份
	{
		if (AfxMessageBox(L"当前的数据库存在错误，建议不备份，是否备份？", MB_YESNO | MB_ICONQUESTION) == IDNO)
		{		
			return;	
		}		
	}

	if (p.s_listStorageName.GetCount() > 0)
	{
		strPath = p.s_listStorageName.GetNext(pos);		
		strPath += L"\\palmheart.sdf";
		
		if (!CopyFile(L"\\palmheart.sdf", strPath, FALSE))	//copy and overwrite
		{
			AfxMessageBox(L"备份数据失败", MB_OK | MB_ICONEXCLAMATION);				
		}	
		else
		{
			AfxMessageBox(L"备份数据成功", MB_OK | MB_ICONEXCLAMATION);				
		}
	}				
	else
	{
		AfxMessageBox(L"未找到存储卡", MB_OK | MB_ICONEXCLAMATION);				
	}
	waitcursor.Restore();		
	
}