clf;
set(gcf,'Unit','normalized','Position',[0.2,0.3,0.55,0.30]);
set(gcf,'Menubar','none','Name','圖形演示','NumberTitle','off');
axes('Position',[0.05,0.15,0.55,0.7]);
uicontrol(gcf,'Style','text', 'Unit','normalized',...
       'Posi',[0.63,0.85,0.2,0.1],'String',...
'輸入繪圖命令','Horizontal','center');
hedit=uicontrol(gcf,'Style','edit','Unit','normalized',...
'Posi',[0.63,0.15,0.2,0.68],...
       'Max',2);        %Max取2，使Max-Min>1，從而允許多行輸入
hpopup=uicontrol(gcf,'Style','popup','Unit','normalized',...
'Posi',[0.85,0.8,0.15,0.15],'String',...
'Spring|Summer|Autumn|Winter','Call',...
'COMM(hedit,hpopup,hlist)');
hlist=uicontrol(gcf,'Style','list','Unit','normalized',...
'Posi',[0.85,0.55,0.15,0.25],'String',...
'Grid on|Grid off|Box on|Box off','Call',...
'COMM(hedit,hpopup,hlist)');
hpush1=uicontrol(gcf,'Style','push','Unit','normalized',...
       'Posi',[0.85,0.35,0.15,0.15],'String',...
'繪 圖','Call','COMM(hedit,hpopup,hlist)');
uicontrol(gcf,'Style','push','Unit','normalized',...
       'Posi',[0.85,0.15,0.15,0.15],'String',...
'關(guān) 閉','Call','close all');