www.pudn.com > goodTree.rar > goodTree.cpp

// TreeData.cpp : Defines the class behaviors for the application. 
// 
 
#include "stdafx.h" 
#include "TreeData.h" 
#include "TreeDataDlg.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CTreeDataApp 
 
BEGIN_MESSAGE_MAP(CTreeDataApp, CWinApp) 
	//{{AFX_MSG_MAP(CTreeDataApp) 
		// NOTE - the ClassWizard will add and remove mapping macros here. 
		//    DO NOT EDIT what you see in these blocks of generated code! 
	//}}AFX_MSG 
	ON_COMMAND(ID_HELP, CWinApp::OnHelp) 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CTreeDataApp construction 
 
CTreeDataApp::CTreeDataApp() 
{ 
	// TODO: add construction code here, 
	// Place all significant initialization in InitInstance 
	//------------------------------------------------------- 
    TreeConnString=_T("Provider=Microsoft.Jet.OLEDB.4.0;") 
        _T("Data Source=DataBase\\City.mdb;"); 
	//------------------------------------------------------- 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// The one and only CTreeDataApp object 
 
CTreeDataApp theApp; 
 
///////////////////////////////////////////////////////////////////////////// 
// CTreeDataApp initialization 
 
BOOL CTreeDataApp::InitInstance() 
{ 
	AfxEnableControlContainer(); 
//-------COM初始化-------------------------------- 
	AfxOleInit(); 
	/******************连接通讯录数据库********************/ 
    HRESULT hRes; 
	try 
	{ 
        hRes=m_pTreeConn.CreateInstance(_T("ADODB.Connection")); 
		m_pTreeConn->ConnectionTimeout = 8; 
		//连接ACCESS2000 
		hRes=m_pTreeConn->Open(_bstr_t((LPCTSTR) TreeConnString), 
            _T(""),_T(""),adModeUnknown); 
	} 
	catch(_com_error e)///捕捉异常 
	{ 
		 CString errormessage; 
		 errormessage.Format(_T("连接City.mdb数据库失败!\r\n错误信息:%s"),e.ErrorMessage()); 
		 AfxMessageBox(errormessage);///显示错误信息 
         return FALSE; 
	}  
 
//------------------------------------------------ 
	// Standard initialization 
	// If you are not using these features and wish to reduce the size 
	//  of your final executable, you should remove from the following 
	//  the specific initialization routines you do not need. 
 
#ifdef _AFXDLL 
	Enable3dControls();			// Call this when using MFC in a shared DLL 
#else 
	Enable3dControlsStatic();	// Call this when linking to MFC statically 
#endif 
 
	CTreeDataDlg dlg; 
	m_pMainWnd = &dlg; 
	int nResponse = dlg.DoModal(); 
	if (nResponse == IDOK) 
	{ 
		// TODO: Place code here to handle when the dialog is 
		//  dismissed with OK 
	} 
	else if (nResponse == IDCANCEL) 
	{ 
		// TODO: Place code here to handle when the dialog is 
		//  dismissed with Cancel 
	} 
 
	// Since the dialog has been closed, return FALSE so that we exit the 
	//  application, rather than start the application's message pump. 
	return FALSE; 
}