TreeViewGridLines
  
  Description:
  [ CCode ( cprefix = "GTK_TREE_VIEW_GRID_LINES_" ,  type_id = "gtk_tree_view_grid_lines_get_type ()" ) ]
public enum TreeViewGridLines
  
  
    Used to indicate which grid lines to draw in a tree view.
   
  
  
  Content:
  Enum values:
  
    - BOTH - Horizontal and vertical grid 
        lines.
 
    - HORIZONTAL - Horizontal grid 
        lines.
 
    - NONE - No grid lines.
 
    - VERTICAL - Vertical grid lines.