WindowTop Property [Access 2003 VBA Language Reference]
Returns an Integer indicating the screen position in twips of the top edge of a form or report relative to the top of the Microsoft Access window. Read-only.
expression Required. An expression that returns one of the objects in the Applies To list.
Use the Move method to change the position of a form or report.
The following example returns the screen position of the top and left edges of the first form in the current project.
With Forms(0) MsgBox "The form is " & .WindowLeft _ & " twips from the left edge of the Access window and " _ & .WindowTop _ & " twips from the top edge of the Access window." End With