Вопрос про ООП в Vb.net

Public Class intComplex
    Private iReal As Integer
    Private iImage As Integer
   
    Public Sub New()
        iReal = 0 : iImage = 0
    End Sub
   
    Public Sub New(ByVal r As Integer, ByVal i As Integer)
        iReal = r : iImage = i
    End Sub
   
    Public Property Real()
        Get
            Return iReal
        End Get
        Set(ByVal Value)
            iReal = Value
        End Set
    End Property

    Public Property Image()
        Get
            Return iImage
        End Get
        Set(ByVal Value)
            iImage = Value
        End Set
    End Property

    Public Overrides Function ToString() As String
        ' тут неважно что...
    End Function

е1: Public Shared Operator +(ByVal a As intComplex, _
                     ByVal b As intComplex) As intComplex
        ' тут неважно что...
    End Operator
End Class

'где-то в модуле...
    Dim c As New intComplex(1,2)
    Dim c2 As New intComplex(3,4)
    Dim c3 As New intComplex
е2: c3 = c + c2