How to stop a for loop execution from GUI?(From Toolbar stop button)

Question

Arun Badigannavar 2013-4-4

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/69835-how-to-stop-a-for-loop-execution-from-gui-from-toolbar-stop-button

I have for loop,,I want to to stop this loop from a toolbar button,, Initially I have set a flag "STOP=0",,,and when I press my stop button in tool bar,,I am calling a function,,where "STOP=1" I have written script,,,,But my script is not considering this"STOP" flag,,,please hep me out>...

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Answer 1

ChristianW 2013-4-4

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https://ww2.mathworks.cn/matlabcentral/answers/69835-how-to-stop-a-for-loop-execution-from-gui-from-toolbar-stop-button#answer_81004

在 MATLAB Online 中打开

You can write your flag in the UserData-property of the toolbaricon.

...
set(handles.uitoolbar1,'UserData',0)
for ...
  if get(handles.uitoolbar1,'UserData')
      break
  end
end
...
function uipushtool1_ClickedCallback(hObject, eventdata, handles)
set(handles.uitoolbar1,'UserData',1)

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Arun Badigannavar 2013-4-5

在 MATLAB Online 中打开

set(handles.uitoolbar1,'UserData',0)
for i=1:1:inf
   if get(handles.uitoolbar1,'UserData')
    break
   end
      a=i
      pause(0.00000000000000000000001)
  end

If I put pause ,,then only its working,,,

Jan 2013-4-5

The tiny interval for PAUSE is not useful. Use pause to get the shortest possible delay. Usually drawnow is used to allow ui-objects to update.

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Answer 2

Jan 2013-4-4

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https://ww2.mathworks.cn/matlabcentral/answers/69835-how-to-stop-a-for-loop-execution-from-gui-from-toolbar-stop-button#answer_81005

Each function has its own workspace, such that a variable set in one function is not visible in the other. A solution is to set a flag e.g. in the UserData of a figure or any other UI-object. This flag can be checked from inside the loop also.