A cancel button, to do nothing

2015 12 18
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更新时间：2015 12 18
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I have a gui(called main) through which I open another gui(called config). When I press ok button in the config gui, it performs and operation and the result is updated on the main gui. I want to add a cancel button in my config gui, so that when I press cancel, it should do nothing at all and close the gui.

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Image Analyst
Image Analyst 2015-12-18

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In the call back for that button, just delete the variable that is the handle to the gui and it will vanish.

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Praveen Choudhury
Praveen Choudhury 2015-12-18
It closes the gui and does nothing but I get an error in the command window.
Attempt to reference field of non-structure array.
Error in config_window>config_window_OutputFcn (line 90)
varargout{1} = handles.output;
Image Analyst
Image Analyst 2015-12-18
You never assigned that variable. But you don't need it. Just delete the line.

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