// StuManage.cpp : Defines the class behaviors for the application.
//

#include "stdafx.h"
#include "StuManage.h"
#include "StuManageDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CStuManageApp

BEGIN_MESSAGE_MAP(CStuManageApp, CWinApp)
	//{{AFX_MSG_MAP(CStuManageApp)
		// 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()

/////////////////////////////////////////////////////////////////////////////
// CStuManageApp construction

CStuManageApp::CStuManageApp()
{
	// TODO: add construction code here,
	// Place all significant initialization in InitInstance
}

/////////////////////////////////////////////////////////////////////////////
// The one and only CStuManageApp object

CStuManageApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CStuManageApp initialization

BOOL CStuManageApp::InitInstance()
{
	AfxEnableControlContainer();
	AfxOleInit();//初始化COM庫

	//以下是連接access2000數據庫。。。
	HRESULT hr;
	try
	{
		hr = m_pConnection.CreateInstance("ADODB.Connection");///創建Connection對象

		if(SUCCEEDED(hr))
		{
			m_pConnection->ConnectionTimeout=8;///設置超時時間為8秒
			m_pConnection->PutCursorLocation(adUseClient);
			hr = m_pConnection->Open("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=.\\StudentManage.mdb;","","",adModeUnknown);
		}
	}
	catch(_com_error e)///捕捉異常
	{
		CString temp;
		temp.Format("連接數據庫錯誤信息:%s",e.ErrorMessage());
		::MessageBox(NULL,temp,"提示信息",NULL);
		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

	CStuManageDlg 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
	}

	m_Level = -1;
	// Since the dialog has been closed, return FALSE so that we exit the
	//  application, rather than start the application's message pump.
	return FALSE;
}

int CStuManageApp::ExitInstance() 
{
	// TODO: Add your specialized code here and/or call the base class
	if(m_pConnection->State)
		m_pConnection->Close(); ///如果已經打開了連接則關閉它
		m_pConnection.Release();	
	return CWinApp::ExitInstance();
}