cj.cpp

简单的学生成绩管理系统 .

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

#include "stdafx.h"
#include "cj.h"
#include "cjDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CCjApp

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

/////////////////////////////////////////////////////////////////////////////
// CCjApp construction

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

/////////////////////////////////////////////////////////////////////////////
// The one and only CCjApp object

CCjApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CCjApp initialization

BOOL CCjApp::InitInstance()
{
	HANDLE m_hMutex=CreateMutex(NULL,TRUE,m_pszAppName);
	if(GetLastError()==ERROR_ALREADY_EXISTS)
	{
		AfxMessageBox("已经有一个同样的程序在运行！");
	    return FALSE;
	}
	
	
	
	AfxEnableControlContainer();
	
	SetupODBCDateSource();

	// 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
	if (RunEmbedded() || RunAutomated())
	{
		// Register all OLE server (factories) as running.  This enables the
		//  OLE libraries to create objects from other applications.
		COleTemplateServer::RegisterAll();
	}
	else
	{
		// When a server application is launched stand-alone, it is a good idea
		//  to update the system registry in case it has been damaged.
		COleObjectFactory::UpdateRegistryAll();
	}


	CCjDlg 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;
}

void CCjApp::SetupODBCDateSource()
{
 SQLConfigDataSource(NULL,ODBC_ADD_DSN,
		"Microsoft Access Driver (*.mdb)",
		"DSN=student\0"
		"Description=student\0"
        "FileType=Access\0"
        "DBQ=.\\student.mdb\0"
		               );
}

int CCjApp::ExitInstance() 
{
	// TODO: Add your specialized code here and/or call the base class
	RemoveODBCDataSource();
	return CWinApp::ExitInstance();
}

void CCjApp::RemoveODBCDataSource()
{
SQLConfigDataSource(NULL,ODBC_REMOVE_DSN,
		"Microsoft Access Driver (*.mdb)",
		"DSN=student\0"
		"Description=student\0"
        "FileType=Access\0"
        "DBQ=.\\student.mdb\0"
		               );
}