Public alreadyMoved As Boolean = False
Public Const HEIGHT_OF_MENU_STATUS_BARS As Integer = 50
Public Const WIDTH_OF_MENU_STATUS_BARS As Integer = 141
Private Sub Form_Move(ByVal sender As System.Object, _
    ByVal e As System.EventArgs) Handles MyBase.Move
    If Not alreadyMoved Then
        alreadyMoved = True

        'If I'm over the right boundry, drop back to right against that edge
        If Me.Location.X + Me.Width > _
            MdiParent.ClientRectangle.Width - WIDTH_OF_MENU_STATUS_BARS Then
            MyBase.Location = New System.Drawing.Point( _
                (MdiParent.ClientRectangle.Width - Me.Width - _
                WIDTH_OF_MENU_STATUS_BARS), MyBase.Location.Y)
        End If

        'If I'm over the bottom boundry, drop back to right against that edge
        If Me.Location.Y + Me.Height > _
            MdiParent.ClientRectangle.Height - HEIGHT_OF_MENU_STATUS_BARS Then
            MyBase.Location = New System.Drawing.Point( _
                MyBase.Location.X, (MdiParent.ClientRectangle.Height - _
                Me.Height - HEIGHT_OF_MENU_STATUS_BARS))
        End If

        'If I'm over the top boundry, drop back to the edge
        If Me.Location.Y < 0 Then
            MyBase.Location = New System.Drawing.Point(MyBase.Location.X, 0)
        End If

        'If I'm over the left boundry, drop back to the edge
        If Me.Location.X < 0 Then
            MyBase.Location = New System.Drawing.Point(0, MyBase.Location.Y)
        End If
    End If
    alreadyMoved = False
End Sub