Return certain type of Controls from tabpage

I have a multiple tabbed form with multiple farpoint grids on each tabpage.
I need to know how to get all the controls of type farpoint grid on a particular tabpage.
How do I do that?
Thanks

"""Gets the tabpage selected
 
Dim tab As TabPage = Nothing
        Dim oTab As String = "Tab" & iTab
        Dim tabMatch() As Control = Me.Controls.Find(oTab, True)
        If tabMatch.Length > 0 Then
            If TypeOf (tabMatch(0)) Is TabPage Then
                tab = DirectCast(tabMatch(0), TabPage)
            End If
        End If
        
 
'''Trying to get controls
 
        For Each cnt As Object In tab.Controls
            If TypeOf cnt Is FarPoint.Win.Spread.FpSpread Then
 
                cR.Cnt = cnt
   
                sw = Me.SplitContainer2.Width
                 FillGridCombos()
     
                cnt.BackColor = Color.Transparent
                cnt.Sheets(0).DefaultStyle.BackColor = Color.Transparent
                cnt.BorderStyle = BorderStyle.None
                cnt.ActiveSheet.GrayAreaBackColor = Color.Transparent
                cR.ResizeControls(sw)
 
 
            End If
 
 
        Next

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