h0=figure('toolbar','none',...
    'position',[198 56 408 468],...
    'name','實例48');
h1=axes('parent',h0,...
    'position',[0.15 0.45 0.7 0.5],...
    'visible','on');
x=0:0.1:2*pi;
k=plot(x,sin(x));
xlabel('自變量X');
ylabel('函數值Y');
title('線型的改變');
p1=uicontrol('parent',h0,...
    'style','pushbutton',...
    'string','-.',...
    'fontsize',20,...
    'foregroundcolor',[1 1 1],...
    'backgroundcolor',[0 0 0],...
    'position',[60 100 50 20],...
    'callback','set(k,''linestyle'',''-.'')');
p2=uicontrol('parent',h0,...
    'style','pushbutton',...
    'string',':',...
    'fontsize',20,...
    'foregroundcolor',[1 1 1],...
    'backgroundcolor',[0 0 0],...
    'position',[170 100 50 20],...
    'callback','set(k,''linestyle'','':'')');
p3=uicontrol('parent',h0,...
    'style','pushbutton',...
    'string','-',...
    'fontsize',20,...
    'foregroundcolor',[1 1 1],...
    'backgroundcolor',[0 0 0],...
    'position',[280 100 50 20],...
    'callback','set(k,''linestyle'',''-'')');
p4=uicontrol('parent',h0,...
    'style','pushbutton',...
    'backgroundcolor',[1 1 1],...
    'fontsize',20,...
    'fontweight','demi',...
    'string','關閉',...
    'position',[150 30 80 60],...
    'callback','close');
t1=uicontrol('parent',h0,...
    'style','text',...
    'string','點劃線',...
    'fontsize',12,...
    'fontweight','demi',...
    'position',[60 120 50 20]);
t2=uicontrol('parent',h0,...
    'style','text',...
    'string','虛線',...
    'fontsize',12,...
    'fontweight','demi',...
    'position',[170 120 50 20]);
t3=uicontrol('parent',h0,...
    'style','text',...
    'string','實線',...
    'fontsize',12,...
    'fontweight','demi',...
    'position',[280 120 50 20]);