SIS uses named Feature Table objects as a fast and efficient way of controlling the display, e.g. Brush, Pen, Symbol, of items. Named Feature Table objects consist of a hierarchy of Feature Codes, each of which has styling information which graphical items with the Feature Code will use when they are drawn. The Feature Codes hierarchy allows features of a similar type, e.g. Motorways, A-Roads, B-Roads, to be grouped together for fast switching on and off.
See Feature Table Properties in SIS 8.0 Programming Help for further details.
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