Word Grid position, some help

I use Word automation in my VB6 App
Is it possible to change the grid position?
I know i can display a grid in Word
And i can change its GridDistancehorizontal en GridDistancevertical
But i allso want to offset it's grid position with a left and top value!!
Is this possible, it's rahter important.
(I don't want the change the left and top Pagemargin of the Document)

Returns or sets the point, relative to the top of the page, where you want the invisible grid for drawing, moving, and resizing AutoShapes

VB Code:

With ActiveDocument
    [b].GridOriginHorizontal = InchesToPoints(1)
    .GridOriginVertical = InchesToPoints(2)[/b]
    .GridDistanceHorizontal = InchesToPoints(0.2)
    .GridDistanceVertical = InchesToPoints(0.2)
    .SnapToGrid = True
End With

:D

I have tried the suggested .GridOriginHorizontal
I used
UMaat = 7 'Centimeter
Appword.ActiveDocument.GridOriginHorizontal = scalex(1, Umaat, vbPoints)

Now i allso tried
Appword.ActiveDocument.GridOriginHorizontal = 10
Appword.ActiveDocument.GridOriginHorizontal = 20
or some smaller values
But nothing change
if i use msgbox Appword.ActiveDocument.GridOriginHorizontal
I allways get value 5,65 as a result so the won't change it's value
What am i doing wrong?
I try redisplaying the grid but with no effect.
I do set the grid visible.
(and the other setting the .GridDistanceHorizontal does work fine)

Added info
OKE i just found it
I had to use first
.GridOriginFromMargin = false
This so the grid wont follow the marginssettings anymore.
Now it follows the Origin given through the code and it works fine :)