[2005] Centering a Form that is a control

I'm simply making a control using a class library and inheriting from Form.
I have this code that is found in the constructor for the 'form' control.

I wonder two things:

1) Is there a more elegant way to center the form? The code works but I have this feeling that what I did was convoluted.

2) The only way I could seem to get the owner of the control was to pass it in via the 'owner' parameter. Is there a way to obtain the owner without passing it in?
If I replace owner with Me.Parent or MyBase.Parent; it isn't set (NullReferenceException) even though the calling code within another form adds this control to it's control collection.

Code:

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    Public Sub New(ByVal timeToBeVisible As Integer, ByVal owner As Control)

        MyBase.New()
        mTimeToBeVisible = timeToBeVisible
        Me.TopLevel = False
        Dim ParentScreenLocation As Point = PointToScreen(owner.Bounds.Location)
        ParentScreenLocation.Offset((owner.Width - Me.Width) \ 2, (owner.Height - Me.Height) \ 2)
        Dim MyLocation As Point = PointToClient(ParentScreenLocation)
        MyLocation.Offset(-owner.Bounds.Location.X, -owner.Bounds.Location.Y)
        Me.Location = MyLocation

    End Sub

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