电机性能测试.cpp

实现对电机的转速

// 电机性能测试.cpp : Defines the class behaviors for the application.
//

#include "stdafx.h"
#include "电机性能测试.h"
#include "电机性能测试Dlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMyApp

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

/////////////////////////////////////////////////////////////////////////////
// CMyApp construction

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

/////////////////////////////////////////////////////////////////////////////
// The one and only CMyApp object

CMyApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CMyApp initialization

BOOL CMyApp::InitInstance()
{
	    AfxOleInit();
	AfxEnableControlContainer();

	// 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

	CMyDlg dlg;
	m_pMainWnd = &dlg;
	HRESULT hr;
    try
	{
      hr = m_pConnection.CreateInstance("ADODB.Connection");
      if(SUCCEEDED(hr))
	  {
          m_pConnection->ConnectionTimeout=3;///设置超时时间为3秒
   	      hr =m_pConnection->Open("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=电机性能参数.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 temp;
		temp.Format("连接数据库错误信息:%s",e.ErrorMessage());
		::MessageBox(NULL,temp,"提示信息",NULL);
		return false;
	}


	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;
}