Sets or returns whether category axis major gridlines will be between categories, or in the middle of categories. Gridlines extend from the tick marks on an axis across the chart's plot area.

 public boolean AxisCrossesMidCategory{ get; set; }
Public Property AxisCrossesMidCategory() As Boolean

This property corresponds to the "Position Axis" property in the Axis Options in Excel.

By default, this property is set to true.