Making a Gui with nested functions. My handle structure disappears after moving to different functions in the code. What happened?

Question

Aaron Greenbaum 2016-6-27

0
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https://ww2.mathworks.cn/matlabcentral/answers/292547-making-a-gui-with-nested-functions-my-handle-structure-disappears-after-moving-to-different-functio

关闭： MATLAB Answer Bot 2021-8-20

I'm making a Gui without using Guide (I felt like it gave a lot of cloggy code) and I am having trouble keeping my handle structure in the code. I currently don't have any idea why it happens.

My code's basic structure is as follows.

function streakgui
h.fig= figure('position', [num num num num]);
%put button locations
h.browsebut= uicontrol...(its a pushbutton)
set(h.browsebut, 'Callback', {@browsedhf, h});
%other push button)
h.findpeaks= uicontrol(...
h.thresh= uicontrol('style', 'edit', 'position', [num num num num], 'String', 'Intensity Thres');
Other edittext box
h.minarea...
%callback functions
      function h=findpeaks(hObject, eventdata, h)
           h.thres=get(h.thresh,'String');
      end
end

What happens next doesn't really matter but at this point some of my originial h fields go away and I don't know why. I've tried looking at it in debugging mode and h.fig and h.findpeaks are still there but the edit text boxes are gone from h when it is trying to pull the data. I'm not sure if I somehow deleted h or what is going. Any advice or tips would be apprieciated!