% exm100333_2.m
figure
h_menu=uimenu('label','Option');
h_sub1=uimenu(h_menu,'label','Grid on',...								%<3>
	'callback',[...
		'grid on,',...
		'set(h_sub1,''checked'',''on''),',...
		'set(h_sub2,''checked'',''off''),',...
	]);
h_sub2=uimenu(h_menu,'label','Grid off',...								%<4>
	'callback',[...
		'grid off,',...
		'set(h_sub2,''checked'',''on''),',...
		'set(h_sub1,''checked'',''off''),',...
		]);