Heading-Color
This property allows you to set or retrieve the color of column headings of a tree-view with 
Table-View style. Foreground and background color values are combined and therefore RGB colors are not supported. See "
Color management" for further details.
 
Example - Define a tree-view with heading color
screen section. ...   03 screen-1-gr-1 Tree-View      Table-View      line 5.7      column 3.1      size 34.6 cells       lines 15.5 cells       id 1      no-box      column-headings      heading-color 300      . ...  |