ActiveX control top property is different from what was specified

I'm trying to add a bunch of the ActiveX controls to an excel spreadsheet.
I feed single cell range names sNameOfRange (string) one at a time to the attached code which is below .

For each Range it creates an ActiveX combo box (not the one from the forms collection, but the other one)
I would like each control to occupy the full row height and be nice and centred
IE. Be virtually the same size as the cell that it sits on And be nice and centred on that cell

My issue is the top of the control is not ever where it's supposed to be.

I have tried adding an adjustment but for some reason the amount of adjustment required for each row is variable even though the row heights are all the same.

I bet it's really simple problem but I can't see where it lies.

I have observed that the more repetitions this code performs the more the error becomes, it's something cumulative.

I feel that somehow when the new combo boxes are created they are using a parameter from a combo which has been created & destroyed before?

PS I can manually move the control to the correct place so I know it's possible for it to be in the right place.
Why aren't the controls placing where I want them and How to  fix it?

Any help would be greatly appreciated !
Thank you in advance  

A screenshot follows the debug printout, both tell the story
-Please scroll down to the bottom to fiew the code.

Top Desired =430.5
Top Called for =439.25 (value fed to .OLEObjects.Add Top:=), actually is =432
Height should be =18 actually is =17.25
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =448.5
Top Called for =457.25 (value fed to .OLEObjects.Add Top:=), actually is =449.25
Height should be =18 actually is =18
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =466.5
Top Called for =475.25 (value fed to .OLEObjects.Add Top:=), actually is =467.25
Height should be =18 actually is =17.25
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =484.5
Top Called for =493.25 (value fed to .OLEObjects.Add Top:=), actually is =484.5
Height should be =18 actually is =18
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =502.5
Top Called for =511.25 (value fed to .OLEObjects.Add Top:=), actually is =502.5
Height should be =18 actually is =18
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =520.5
Top Called for =529.25 (value fed to .OLEObjects.Add Top:=), actually is =520.5
Height should be =18 actually is =17.25
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =556.5
Top Called for =565.25 (value fed to .OLEObjects.Add Top:=), actually is =555.75
Height should be =18 actually is =17.25
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =574.5
Top Called for =583.25 (value fed to .OLEObjects.Add Top:=), actually is =573
Height should be =18 actually is =18
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =592.5
Top Called for =601.25 (value fed to .OLEObjects.Add Top:=), actually is =591
Height should be =18 actually is =18
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =610.5
Top Called for =619.25 (value fed to .OLEObjects.Add Top:=), actually is =609
Height should be =18 actually is =17.25
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =628.5
Top Called for =637.25 (value fed to .OLEObjects.Add Top:=), actually is =626.25
Height should be =18 actually is =18
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =646.5
Top Called for =655.25 (value fed to .OLEObjects.Add Top:=), actually is =644.25
Height should be =18 actually is =17.25
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =664.5
Top Called for =673.25 (value fed to .OLEObjects.Add Top:=), actually is =661.5
Height should be =18 actually is =18
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =682.5
Top Called for =691.25 (value fed to .OLEObjects.Add Top:=), actually is =679.5
Height should be =18 actually is =18
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =700.5
Top Called for =709.25 (value fed to .OLEObjects.Add Top:=), actually is =697.5
Height should be =18 actually is =17.25
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =718.5
Top Called for =727.25 (value fed to .OLEObjects.Add Top:=), actually is =714.75
Height should be =18 actually is =18
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =754.5
Top Called for =763.25 (value fed to .OLEObjects.Add Top:=), actually is =750
Height should be =18 actually is =18
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =772.5
Top Called for =781.25 (value fed to .OLEObjects.Add Top:=), actually is =768
Height should be =18 actually is =18
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =790.5
Top Called for =799.25 (value fed to .OLEObjects.Add Top:=), actually is =786
Height should be =18 actually is =17.25
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =808.5
Top Called for =817.25 (value fed to .OLEObjects.Add Top:=), actually is =803.25
Height should be =18 actually is =18
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =826.5
Top Called for =835.25 (value fed to .OLEObjects.Add Top:=), actually is =821.25
Height should be =18 actually is =17.25
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =844.5
Top Called for =853.25 (value fed to .OLEObjects.Add Top:=), actually is =838.5
Height should be =18 actually is =18
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =862.5
Top Called for =871.25 (value fed to .OLEObjects.Add Top:=), actually is =856.5
Height should be =18 actually is =18
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =880.5
Top Called for =889.25 (value fed to .OLEObjects.Add Top:=), actually is =874.5
Height should be =18 actually is =16.5
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =898.5
Top Called for =907.25 (value fed to .OLEObjects.Add Top:=), actually is =891
Height should be =18 actually is =18
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =916.5
Top Called for =925.25 (value fed to .OLEObjects.Add Top:=), actually is =909
Height should be =18 actually is =17.25
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =934.5
Top Called for =943.25 (value fed to .OLEObjects.Add Top:=), actually is =926.25
Height should be =18 actually is =18
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =952.5
Top Called for =961.25 (value fed to .OLEObjects.Add Top:=), actually is =944.25
Height should be =18 actually is =18
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =970.5
Top Called for =979.25 (value fed to .OLEObjects.Add Top:=), actually is =962.25
Height should be =18 actually is =17.25
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =1006.5
Top Called for =1015.25 (value fed to .OLEObjects.Add Top:=), actually is =997.5
Height should be =18 actually is =17.25
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =1024.5
Top Called for =1033.25 (value fed to .OLEObjects.Add Top:=), actually is =1014.75
Height should be =18 actually is =18
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =1042.5
Top Called for =1051.25 (value fed to .OLEObjects.Add Top:=), actually is =1032.75
Height should be =18 actually is =18
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75

Top Desired =1060.5
Top Called for =1069.25 (value fed to .OLEObjects.Add Top:=), actually is =1050.75
Height should be =18 actually is =17.25
Left should be =0 actually is =0
Width should be =117.75 actually is =117.75


 Controlsnotplacingright.jpg

AddControl:
    Dim sNameC1 As String
    Dim sNameLinkedCell As String
    Dim sNameListFillRange As String
    Dim sSheetDesignator As String
    Dim sNameBody As String
    Dim sIndex As String
    
    Const cFillRange = "Table"
    Const cLinkedCell = "Key"

    Const cAdjTop = 8.75
    Const cAdjLeft = 0
    Const cAdjWidth = -0.25
    Const cAdjHeight = 0
    
    ctrlTop = Range(sNameOfRange).Offset(0, -1).Top + cAdjTop
    ctrlLeft = Range(sNameOfRange).Offset(0, -1).Left '+ cAdjLeft
    ctrlWidth = Range(sNameOfRange).Offset(0, -1).Width '+ cAdjWidth
    ctrlHeight = Range(sNameOfRange).Offset(0, -1).Height '+ cAdjHeight
            With ActiveSheet
            With .OLEObjects.Add(ClassType:="Forms." & cCtrlType1 & ".1", link:=False, _
            DisplayAsIcon:=False, Left:=ctrlLeft, Top:=ctrlTop, Width:=ctrlWidth, _
            Height:=ctrlHeight)
Debug.Print "Top Desired =" & Range(sNameOfRange).Offset(0, -1).Top
Debug.Print "Top Called for =" & ctrlTop & " (value fed to .OLEObjects.Add Top:=), actually is =" & .Top
Debug.Print "Height should be =" & ctrlHeight & " actually is =" & .Height
Debug.Print "Left should be =" & ctrlLeft & " actually is =" & .Left
Debug.Print "Width should be =" & ctrlWidth & " actually is =" & .Width & vbCr

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