请教问题！请帮帮忙！

#add symbols for outer signal layer
       COM display_layer,name=$sig_lys_t,display=yes,number=1
       COM work_layer,name=$sig_lys_t
       COM add_polyline_strt
       COM add_polyline_xy,x=$fill_x1,y=$fill_y1
       COM add_polyline_xy,x=$fill_x2,y=$fill_y1
       COM add_polyline_xy,x=$fill_x2,y=$fill_y2
       COM add_polyline_xy,x=$fill_x1,y=$fill_y2
       COM add_polyline_xy,x=$fill_x1,y=$fill_y1
       COM add_polyline_end,attributes=no,symbol=s118.11,polarity=positive
      
       COM display_layer,name=drl,display=yes,number=2
       COM work_layer,name=drl
       COM filter_set,filter_name=popup,update_popup=no,include_syms=r126.063
       COM filter_area_strt
       COM filter_area_end,layer=,filter_name=popup,operation=select,\
           area_type=none,inside_area=no,intersect_area=no,lines_only=no,\
           ovals_only=no,min_len=0,max_len=0,min_angle=0,max_angle=0
       COM sel_copy_other,dest=layer_name,target_layer=$sig_lys_t,invert=no,\
           dx=0,dy=0,size=0
       COM filter_reset,filter_name=popup
       COM work_layer,name=$sig_lys_t
       COM filter_set,filter_name=popup,update_popup=no,include_syms=r126.063
       COM filter_area_strt
       COM filter_area_end,layer=,filter_name=popup,operation=select,\
           area_type=none,inside_area=no,intersect_area=no,lines_only=no,\
           ovals_only=no,min_len=0,max_len=0,min_angle=0,max_angle=0
       COM sel_change_sym,symbol=d,reset_angle=no
       COM filter_reset,filter_name=popup

VOF
  
       COM display_layer,name=$sig_lys_t,display=no,number=1    
       COM display_layer,name=mdk,display=yes,number=1
       COM work_layer,name=mdk
       COM filter_set,filter_name=popup,update_popup=no,include_syms=r125.984
       COM filter_area_strt
       COM filter_area_end,layer=,filter_name=popup,operation=select,\
           area_type=none,inside_area=no,intersect_area=no,lines_only=no,\
           ovals_only=no,min_len=0,max_len=0,min_angle=0,max_angle=0
       COM sel_copy_other,dest=layer_name,target_layer=$sig_lys_t,invert=no,\
           dx=0,dy=0,size=0
       COM filter_reset,filter_name=popup  
      
       COM display_layer,name=mdk,display=no,number=1
       COM display_layer,name=$sig_lys_t,display=yes,number=1
       COM work_layer,name=$sig_lys_t
       COM filter_set,filter_name=popup,update_popup=no,include_syms=r125.984
       COM filter_area_strt
       COM filter_area_end,layer=,filter_name=popup,operation=select,\
           area_type=none,inside_area=no,intersect_area=no,lines_only=no,\
           ovals_only=no,min_len=0,max_len=0,min_angle=0,max_angle=0
       COM sel_change_sym,symbol=d,reset_angle=no
       COM filter_reset,filter_name=popup

    
      COM display_layer,name=$sig_lys_t,display=no,number=1
      COM display_layer,name=mdk.bak,display=yes,number=1
      COM work_layer,name=mdk.bak
      COM filter_set,filter_name=popup,update_popup=no,include_syms=r126.024
      COM filter_area_strt
      COM filter_area_end,layer=,filter_name=popup,operation=select,\
          area_type=none,inside_area=no,intersect_area=no,lines_only=no,\
          ovals_only=no,min_len=0,max_len=0,min_angle=0,max_angle=0
      COM sel_copy_other,dest=layer_name,target_layer=tl,invert=yes,\
          dx=0,dy=0,size=0
      COM filter_reset,filter_name=popup
      COM display_layer,name=mdk.bak,display=no,number=1
      COM display_layer,name=$sig_lys_t,display=yes,number=1
      COM work_layer,name=$sig_lys_t
      COM filter_set,filter_name=popup,update_popup=no,include_syms=r126.024
      COM filter_area_strt
      COM filter_area_end,layer=,filter_name=popup,operation=select,\
           area_type=none,inside_area=no,intersect_area=no,lines_only=no,\
           ovals_only=no,min_len=0,max_len=0,min_angle=0,max_angle=0
      COM sel_change_sym,symbol=d,reset_angle=no
      COM filter_reset,filter_name=popup

VON

      COM add_pad,attributes=no,x=$txt_outer_x1,y=$txt_outer_y1,symbol=cs,polarity=negative,\
          angle=0,mirror=no,nx=1,ny=1,dx=0,dy=0,xscale=1,yscale=1
      

请教上面的程式，中VOF......VON加有和作用！

这是窗口的常开 常闭开关,是为了让你需要长期存在的状态处于默认设置！

不设有什么影响?

没有什么影响啊