An AlignmentEnum expression that indicates the alignment of the image in the
group's caption.
By default, the ImageAlignment property is exLeft. Use the
ImageAlignment property to align the image inside the group's caption. Use the
Image property to assign an icon to the group's caption. The ImageAlignment
property has no effect if the group's caption displays no image. Use the Alignment
property to align the group's caption. Use the Alignment
property to align the item's caption.