is it possible to close popup using command!!

i have to close a gui popup after some time it appear.

my gui popup is :-

 figure
 t=uicontrol('style','text','string',' ','Position',[1 1 400 600]); 
 col=get(t,'foregroundcolor'); 
 for n=1:10 
     set(t,'foregroundcolor',1-col,'backgroundcolor',col); 
     col=1-col; 
     pause(.3); 
 end

please suggest some method. Thank you!!

Answer 1

[Paul]

If you want to close it immediately after it stops flashing you can add

close gcf

after the end. Or add a pause before this with your preferred close time.

[Vaibhav]

Thank you very much for your useful suggestion!!