source: Include/Classes/System/TimeSpan.ab@ 271

Class TimeSpan
    m_Time As Int64
Public
    Static MaxValue = 3162240000000000000 As Int64
    Static MinValue = -3162240000000000000 As Int64
    Static TicksPerDay = 864000000000 As Int64
    Static TicksPerHour = 36000000000 As Int64
    Static TicksPerMinute = 600000000 As Int64
    Static TicksPerSecond = 10000000 As Int64
    Static TicksPerMillisecond = 10000 As Int64
    Static Zero = 0 As Int64

    Sub TimeSpan(ticks As Int64)
        If (ticks > MaxValue) Or (ticks < MinValue) Then
            'ArgumentOutOfRangeException
            debug
            Exit Sub
        End If
        m_Time = ticks
    End Sub

    Sub TimeSpan(ts As TimeSpan)
        m_Time = ts.m_Time
    End Sub

    Sub ~TimeSpan()
    End Sub

    Function Operator+ (ts As TimeSpan) As TimeSpan
        Return FromTicks(m_Time + ts.m_Time)
    End Function

    Function Operator- (ts As TimeSpan) As TimeSpan
        Return FromTicks(m_Time - ts.m_Time)
    End Function

    Function Operator* (value As Long) As TimeSpan
        Return FromTicks(m_Time * value)
    End Function

    Function Operator/ (value As Long) As TimeSpan
        Return FromTicks(m_Time \ value)
    End Function

    Function Operator== (ts As TimeSpan) As Boolean
        Return Equals(ts)
    End Function

    Function Operator<> (ts As TimeSpan) As Boolean
        Return Not Equals(ts)
    End Function

    Function Operator> (ts As TimeSpan) As Boolean
        If CompareTo(ts) > 0 Then
            Return True
        Else
            Return False
        End If
    End Function

    Function Operator< (ts As TimeSpan) As Boolean
        If CompareTo(ts) < 0 Then
            Return True
        Else
            Return False
        End If
    End Function

    Function Operator>= (ts As TimeSpan) As Boolean
        If CompareTo(ts) => 0 Then
            Return True
        Else
            Return False
        End If
    End Function

    Function Operator<= (ts As TimeSpan) As Boolean
        If CompareTo(ts) <= 0 Then
            Return True
        Else
            Return False
        End If
    End Function
        
    'Public Properties
    Function Ticks() As Int64
        Return m_Time
    End Function

    Function Milliseconds() As Long
        Return (m_Time \ TicksPerMillisecond Mod 1000) As Long
    End Function

    Function Seconds() As Long
        Return (m_Time \ TicksPerSecond Mod 60) As Long
    End Function

    Function Minutes() As Long
        Return (m_Time \ TicksPerMinute Mod 60) As Long
    End Function

    Function Hours() As Long
        Return (m_Time \ TicksPerHour Mod 24) As Long
    End Function

    Function Days() As Long
        Return (m_Time \ TicksPerDay) As Long
    End Function

    Function TotalMilliseconds() As Double
        Return m_Time / TicksPerMillisecond
    End Function

    Function TotalSeconds() As Double
        Return m_Time / TicksPerSecond
    End Function

    Function TotalMinute() As Double
        Return m_Time / TicksPerMinute
    End Function

    Function TotalHours() As Double
        Return m_Time / TicksPerHour
    End Function

    Function TotalDays() As Double
        Return m_Time / TicksPerDay
    End Function

    Function Add(ts As TimeSpan) As TimeSpan
        Return FromTicks(m_Time + ts.m_Time)
    End Function

    Static Function Compare(ts1 As TimeSpan, ts2 As TimeSpan) As Long
        If ts1.m_Time < ts2.m_Time Then
            Return -1
        ElseIf ts1.m_Time = ts2.m_Time Then
            Return 0
        ElseIf ts1.m_Time > ts2.m_Time Then
            Return 1
        End If
    End Function

    Function CompareTo(ts As TimeSpan) As Long
        Return (m_Time - ts.m_Time) As Long
    End Function

    Function Duration() As TimeSpan
        Return FromTicks(System.Math.Abs(m_Time))
    End Function

    Function Equals(ts As TimeSpan) As Boolean
        Return Equals(This, ts)
    End Function

    Static Function Equals(ts1 As TimeSpan, ts2 As TimeSpan) As Boolean
        If ts1.m_Time = ts2.m_Time Then
            Return True
        Else
            Return False
        End If
    End Function
    
    Static Function FromTicks(ticks As Int64) As TimeSpan
        If (ticks > MaxValue) Or (ticks < MinValue) Then
            'ArgumentOutOfRangeException
            debug
            Exit Function
        End If
        Return New TimeSpan( ticks )
    End Function

    Static Function FromMilliseconds(value As Double) As TimeSpan
        Return FromTicks((value * TicksPerMillisecond) As Int64)
    End Function

    Static Function FromSeconds(value As Double) As TimeSpan
        Return FromTicks((value * TicksPerSecond)As Int64)
    End Function

    Static Function FromMinutes(value As Double) As TimeSpan
        Return FromTicks((value * TicksPerMinute) As Int64)
    End Function

    Static Function FromHours(value As Double) As TimeSpan
        Return FromTicks((value * TicksPerHour) As Int64)
    End Function

    Static Function FromDays(value As Double) As TimeSpan
        Return FromTicks((value * TicksPerDay) As Int64)
    End Function

    Function Negate() As TimeSpan
        Return FromTicks(m_Time * (-1))
    End Function

    Function Subtract(ts As TimeSpan) As TimeSpan
        Return FromTicks(m_Time - ts.m_Time)
    End Function
End Class