Creates a new layout item and adds it to the current group.
NuGet Package: DevExpress.Win.Navigation
The newly added item.
This method does nothing in the LayoutGroup class. It is overridden in the LayoutControlGroup class to create a new LayoutControlItem object.
The default layout type is determined by the LayoutGroup.DefaultLayoutType property. By default, it is set to LayoutType.Vertical, so the new item is positioned at the bottom of the current group. If this property is set to LayoutType.Horizontal, the new item is positioned at the current group’s right edge.
To assign a control to the new LayoutControlItem object, use its LayoutControlItem.Control property.