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本书通过85个实例全面讲述了应用MFC进行Visual C++编程的思想。每个实例均以编写一个应用程序要走的步骤编写。全书共分四部分进行介绍

/////////////////////////////////////////////////////////////////////
// Using CTime.
/////////////////////////////////////////////////////////////////////

	CTime time;
	CString sDate,sTime,sElapsedTime;

// 1) to get time
	time=CTime::GetCurrentTime();
	int year = time.GetYear();
	int month = time.GetMonth();
	int day = time.GetDay();
	int hour = time.GetHour();
	int minute = time.GetMinute();
	int second = time.GetSecond();
	int DayOfWeek = time.GetDayOfWeek();

// 2) to set a time amount
	CTimeSpan timespan(0,0,1,0); // days,hours,minutes,seconds

// 3) to get elasped time
	time=CTime::GetCurrentTime();
	:	:	:
	timespan = CTime::GetCurrentTime() - time;

// 4) to format time or timespan (see strftime in help for more formats)
	sDate = time.Format("%m/%d/%y");					//ex: 12/10/98
	sTime = time.Format("%H:%M:%S");					//ex: 9:12:02
	sElapsedTime = timespan.Format("%D:%H:%M:%S");		// %D is total elapsed days

/////////////////////////////////////////////////////////////////////
// Using COleDateTime
/////////////////////////////////////////////////////////////////////

	COleDateTime datetime; //can also construct from a CTime

// 1) same member functions as CTime, but also two more:

// 2) to get day of year to create Julian date
	int DayOfYear = datetime.GetDayOfYear();

// 3) to read time from a character string
	datetime.ParseDateTime("12:12:23 27 January 93");

// 4) COleDateTime will also last past 2037 when CTime will have a meltdown


/////////////////////////////////////////////////////////////////////
// From: Visual C++ MFC Programming by Example by John E. Swanke
// Copyright (C) 1998 jeswanke. All rights reserved.
/////////////////////////////////////////////////////////////////////