a808m.cpp

显示West4170的波形, 并可读取或设置所有的参数

// A808M.cpp : Defines the class behaviors for the application.
//

#include "stdafx.h"
#include "A808M.h"
#include "A808MDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CA808MApp

BEGIN_MESSAGE_MAP(CA808MApp, CWinApp)
	//{{AFX_MSG_MAP(CA808MApp)
		// 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()

/////////////////////////////////////////////////////////////////////////////
// CA808MApp construction

CA808MApp::CA808MApp()
{
	// TODO: add construction code here,
	// Place all significant initialization in InitInstance
}

/////////////////////////////////////////////////////////////////////////////
// The one and only CA808MApp object

CA808MApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CA808MApp initialization

BOOL CA808MApp::InitInstance()
{
	m_hInstance=::CreateMutex(NULL,FALSE,UNIQUE_NAME);
	if(GetLastError()==ERROR_ALREADY_EXISTS)
	{
		AfxMessageBox("一个实例已在运行,本副本自动关闭");
		return FALSE;
	}
	
	AfxEnableControlContainer();
	
	/****ADO********************************/
	AfxOleInit();///初始化COM库
	::CoInitialize(NULL);
	////////////连接数据库//////////////
	HRESULT hr;
	try
	{
		hr = m_pConnection.CreateInstance("ADODB.Connection");///创建Connection对象
		if(SUCCEEDED(hr))
		{
			hr = m_pConnection->Open("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=db10.mdb","","",adModeUnknown);///连接数据库
			///上面一句中连接字串中的Provider是针对ACCESS2000环境的，对于ACCESS97,需要改为:Provider=Microsoft.Jet.OLEDB.3.51;  }
		}
		
	}
	catch(_com_error e)///捕捉异常
	{
		CString errormessage;
		errormessage.Format("连接数据库失败!\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
	SetDialogBkColor (RGB (220, 220, 220), RGB ( 0 ,0 , 0 ) );	//  the specific initialization routines you do not need.
	

	// 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

	CA808MDlg 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;
}

int CA808MApp::ExitInstance() 
{
	// TODO: Add your specialized code here and/or call the base class
	if(m_pConnection->State)
		m_pConnection->Close(); ///如果已经打开了连接则关闭它
	CloseHandle(m_hInstance);
	::CoUninitialize();
	
	return CWinApp::ExitInstance();
}