[askingHelp]getframe problem in gui

Using function "getframe" in gui, when getframe is on process, i creat another exit_pushbutton which is expected to ask the user if he wants to quit. like following
-----------------------------------------------------------------------
exit_button = questdlg('Exit now?','Exit program','Yes','No','Yes');
switch exit_button
case 'Yes'
closereq;
case 'No'
return;
end
------------------------------------------------------------------------
you know when exit_pushbutton is excuted, we make an interrupt to getframe, but the question is that if we select the 'yes' in the exit_button function,
first we make a interrupt to the function getframe then we closereq, but
the result is that

***************************************************
??? Error using ==> capturescreen
Figure destroyed during getframe.
****************************************

how to deal with?

thx!!
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