get_line_style — Get the current graphic mode for contours.
get_line_style returns the display mode for contoures when displaying regions. It is used by operators like disp_region, disp_line, disp_polygon, etc. Style is set with the operator set_line_style. Style is only important for displaying the contour of objects, especially if a line style was set with set_line_style.
Template for contour display.
get_line_style returns 2 (H_MSG_TRUE) if the window is valid. Otherwise an exception is raised.