timedlg.cpp

这是VC++控制计算机时钟的一个例子

// TimeDlg.cpp : implementation file
//

#include "stdafx.h"
#include "TimeTest.h"
#include "TimeDlg.h"
#include "GoodTime.h"

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

/////////////////////////////////////////////////////////////////////////////
// CTimeDlg dialog


CTimeDlg::CTimeDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CTimeDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CTimeDlg)
	m_nDay = 0;
	m_nHour = 0;
	m_nMinute = 0;
	m_nSecond = 0;
	m_nYear = 0;
	//}}AFX_DATA_INIT
}


void CTimeDlg::DoDataExchange(CDataExchange* pDX)
{
   int   nMaxDays;


	CDialog::DoDataExchange(pDX);

	//{{AFX_DATA_MAP(CTimeDlg)
	DDX_Control(pDX, IDC_MONTH, m_cbMonth);
	DDX_Text(pDX, IDC_DAY, m_nDay);
	DDX_Text(pDX, IDC_HOUR, m_nHour);
	DDV_MinMaxInt(pDX, m_nHour, 0, 23);
	DDX_Text(pDX, IDC_MIN, m_nMinute);
	DDV_MinMaxInt(pDX, m_nMinute, 0, 59);
	DDX_Text(pDX, IDC_SEC, m_nSecond);
	DDV_MinMaxInt(pDX, m_nSecond, 0, 59);
	DDX_Text(pDX, IDC_YEAR, m_nYear);
	DDV_MinMaxInt(pDX, m_nYear, 1900, 9999);
	//}}AFX_DATA_MAP

   // Set the selection according to a numeric month
   if ( pDX->m_bSaveAndValidate ) 
   {
     m_nMonth = m_cbMonth.GetCurSel() + 1;
   }
   else
   {
      if ( IsWindow(m_cbMonth.m_hWnd) )
      {
         m_cbMonth.SetCurSel( m_nMonth - 1 );
      }
   }

   switch ( m_nMonth )
   {
      case 1:  // January
      case 3:  // March
      case 5:  // May
      case 7:  // July
      case 8:  // August
      case 10: // October
      case 12: // December
         nMaxDays = 31;
         break;

      case 4:  // April
      case 6:  // June
      case 9:  // September
      case 11: // November
         nMaxDays = 30;
         break;

      case 2:
         nMaxDays = (CGoodTime::IsLeapYear(m_nYear) ? 29 : 28);
         break;

		  default: // Bad month 
			nMaxDays = 0; 
         ASSERT(FALSE);
   }
   // Validate this late to check for variable days in a month
   pDX->PrepareEditCtrl(IDC_DAY);
	DDV_MinMaxInt(pDX, m_nDay, 1, nMaxDays);
}

BEGIN_MESSAGE_MAP(CTimeDlg, CDialog)
	//{{AFX_MSG_MAP(CTimeDlg)
	ON_BN_CLICKED(IDC_USE_CURRENT, OnUseCurrentTime)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTimeDlg message handlers

void CTimeDlg::OnUseCurrentTime() 
{
   // Get the current time
   CGoodTime t = CGoodTime::GetCurrentTime();

   // Set the default time
	m_nDay    = t.GetDay();
	m_nHour   = t.GetHour();
	m_nMinute = t.GetMinute();
	m_nSecond = t.GetSecond();
	m_nYear   = t.GetYear();
   m_nMonth  = t.GetMonth();

   UpdateData( FALSE );
}