2.1.1440 Part 4 Section 22.214.171.124, applyToFront (Apply To Front)
a. The standard specifies on and off as valid values for the val attribute.
Office does not consider on and off to be valid values for this attribute.
This note applies to the following products: 2007, 2007 SP1, 2007 SP2.
b. The standard states that the applyToFront element specifies that the picture shall be applied to the front of the point or series.
In Office, this element also specifies that the picture should be applied to the backWall and Office ignores this element on the floor and sideWall elements.