This is used for multiple objects within the same element with different line styles. This is done by adding multiple line styles to a LineArrray structure. The linearray will then when requested return the 'next' linestyle in sequential order. It is possible to specify ID tags to each linestyle, which is used to make sure some data uses a specific linestyle (i.e. in a multiple-/stackedbarchart you name the Image_Graph_Datasets and uses this name as ID tag when adding the dataset's associated linestyle to the linearray.
