ex0431.m

matlab课本程序

%创建菜单并添加回调函数
figure
 h_fig=gcf
 h_menu=uimenu(h_fig,'label','Paint')  %创建菜单Paint
 h_menu1=uimenu(h_menu,'label','Circle')  %创建Paint的子菜单Circle
 h_menu2=uimenu(h_menu,'label','Color')  %创建Paint的子菜单Color
 h_menu21=uimenu(h_menu2,'label','Red','callback','set(h_fig,''color'',''red'')') 
 %创建Color的子菜单Red将图形背景为红色
 h_menu22=uimenu(h_menu2,'label','Blue','callback','set(h_fig,''color'',''blue'')') 
 %创建Color的子菜单Blue将图形背景为蓝色