'Declaration Public ReadOnly Property OverallCellPosition As Nullable(Of FieldPosition)
public Nullable<FieldPosition> OverallCellPosition {get;}
Note: When there are FieldGroups, the layout gets flattened so the overall position may not match the FieldItem.ActualPosition which is scoped to it's FieldItem.ParentFieldGroup.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2