Axis.CrossesAt Property (PowerPoint)
Returns or sets the point on the value axis where the category axis crosses it. Applies only to the value axis. Read/write Double.
expression A variable that represents an 'Axis' object.
Setting this property causes the Crosses property to change to xlAxisCrossesCustom.
You cannot use this property on radar charts. For 3-D charts, this property indicates where the plane defined by the category axes crosses the value axis.