计算器.cpp

一个还不错的计算器,我自己写的,花了不少时间,功能比较多

// 计算器.cpp : Defines the class behaviors for the application.
//

#include "stdafx.h"
#include "计算器.h"
#include "计算器Dlg.h"
#include <initguid.h>
#include "计算器_i.c"

#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)
	//}}AFX_MSG
	ON_COMMAND(ID_HELP, CWinApp::OnHelp)
END_MESSAGE_MAP()

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

CMyApp::CMyApp()
{//构造函数---------------------------------------------------------------------------------------------------------------
//成员变量初始化											
}

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

CMyApp theApp;

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

BOOL CMyApp::InitInstance()
{
	if (!InitATL())
		return FALSE;

	AfxEnableControlContainer();

	CCommandLineInfo cmdInfo;
	ParseCommandLine(cmdInfo);

	if (cmdInfo.m_bRunEmbedded || cmdInfo.m_bRunAutomated)
	{
		return TRUE;
	}



	// Standard initialization

#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;
	int nResponse = dlg.DoModal();
	if (nResponse == IDOK)
	{
	}
	else if (nResponse == IDCANCEL)
	{
	}

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

	
CMyModule _Module;

BEGIN_OBJECT_MAP(ObjectMap)
END_OBJECT_MAP()

LONG CMyModule::Unlock()
{
	AfxOleUnlockApp();
	return 0;
}

LONG CMyModule::Lock()
{
	AfxOleLockApp();
	return 1;
}
LPCTSTR CMyModule::FindOneOf(LPCTSTR p1, LPCTSTR p2)
{
	while (*p1 != NULL)
	{
		LPCTSTR p = p2;
		while (*p != NULL)
		{
			if (*p1 == *p)
				return CharNext(p1);
			p = CharNext(p);
		}
		p1++;
	}
	return NULL;
}


int CMyApp::ExitInstance()
{
	if (m_bATLInited)
	{
		_Module.RevokeClassObjects();
		_Module.Term();
		CoUninitialize();
	}

	return CWinApp::ExitInstance();

}

BOOL CMyApp::InitATL()
{
	m_bATLInited = TRUE;

#if _WIN32_WINNT >= 0x0400
	HRESULT hRes = CoInitializeEx(NULL, COINIT_MULTITHREADED);
#else
	HRESULT hRes = CoInitialize(NULL);
#endif

	if (FAILED(hRes))
	{
		m_bATLInited = FALSE;
		return FALSE;
	}

	_Module.Init(ObjectMap, AfxGetInstanceHandle());
	_Module.dwThreadID = GetCurrentThreadId();

	LPTSTR lpCmdLine = GetCommandLine(); //this line necessary for _ATL_MIN_CRT
	TCHAR szTokens[] = _T("-/");

	BOOL bRun = TRUE;
	LPCTSTR lpszToken = _Module.FindOneOf(lpCmdLine, szTokens);
	while (lpszToken != NULL)
	{
		if (lstrcmpi(lpszToken, _T("UnregServer"))==0)
		{
			_Module.UpdateRegistryFromResource(IDR_MY, FALSE);
			_Module.UnregisterServer(TRUE); //TRUE means typelib is unreg'd
			bRun = FALSE;
			break;
		}
		if (lstrcmpi(lpszToken, _T("RegServer"))==0)
		{
			_Module.UpdateRegistryFromResource(IDR_MY, TRUE);
			_Module.RegisterServer(TRUE);
			bRun = FALSE;
			break;
		}
		lpszToken = _Module.FindOneOf(lpszToken, szTokens);
	}

	if (!bRun)
	{
		m_bATLInited = FALSE;
		_Module.Term();
		CoUninitialize();
		return FALSE;
	}

	hRes = _Module.RegisterClassObjects(CLSCTX_LOCAL_SERVER, 
		REGCLS_MULTIPLEUSE);
	if (FAILED(hRes))
	{
		m_bATLInited = FALSE;
		CoUninitialize();
		return FALSE;
	}	

	return TRUE;

}