Checks whether the header items can be reordered by mouse interaction
in the list box.
bool HasHeaderDragableButtons (void) const;
Return Value
true if the order of the header items can be modified
by mouse interaction, otherwise false.
Description
If the hasDragableButtons state is set to true on the
list box header, header items can be reordered by clicking and tracking
them with the mouse. In this case the application gets a
ListBoxHeaderItemDragEvent event.