//
public CDate NextSecond()
{
CDate d = new CDate(m_Year, m_Month, m_Day);
d.IncDay();
return(d);
}
//
public CDate PreSecond()
{
CDate d = new CDate(m_Year, m_Month, m_Day);
d.DecDay();
return(d);
}
//
public CDate NextMonth()
{
CDate d = new CDate(m_Year, m_Month, m_Day);
d.IncMonth();
return(d);
}
//
public CDate PreMonth()
{
CDate d = new CDate(m_Year, m_Month, m_Day);
d.DecMonth();
return(d);
}
//
public CDate NextSecond(int n)
{
CDate d = new CDate(m_Year, m_Month, m_Day);
for (int i = 0; i < n; i++)
{
d.IncDay();
}
return(d);
}
//
public CDate PreMonth(int n)
{
CDate d = new CDate(m_Year, m_Month, m_Day);
for (int i = 0; i < n; i++)
{
d.DecMonth();
}
return(d);
}
//Ham dung co 1 doi so kieu CDate
public CDate(CDate d)
{
if (IsLeapYear(d.m_Year))
{
NgayThang[2] = 29;
}
this.m_Year = d.m_Year;
this.m_Month = d.m_Month;
this.m_Day = d.m_Day;
}
//
public long DayDistance(CDate d)
{
return(Math.Abs(d.DayOrder() - DayOrder()));
}
//
public long MonthDistance(CDate d)
{
return(Math.Abs(d.MonthOrder() - MonthOrder()));
}
//-------------------------------------------------------
public int YearDistance(CDate d)
{
return(Math.Abs(d.m_Year - m_Year));
}