MATLAB: If statement asking if an addlistener() event has occured

addlistenerguiguideif statement

Is there a way to write an if statement that says something like:

if % addlistener(handles.Edit1, 'String','PostGet',f) occured %do something end

Best Answer

I don't really understand why you would want to do this. The purpose of the listener is to fire when something (some event) happens. Why then do you need an if()? When this something happens, the listener will fire and your if() will happen automagically.

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MATLAB: Error using handle.handle/set Invalid or deleted object.

In your callback for edit1 you replace the handle with the value extracted from the handle. That is confusing at the very least.

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The edit uicontrol's callback function should get it's string and set something else in the popup.

More per comments

In this case you should use addlistener() to add a listener to the 'PostSet' 'string' event broadcasted by each edit box. The documentation for addlistener() is here:

http://www.mathworks.com/help/releases/R2012a/techdoc/ref/handle.addlistener.html

The call would look something like this:

for ii = 1:numel(hEdit) %where hEdit is the vector of edit box handles
   addlistener(hEdit(ii),'PostSet','string',@(src,evt)set(hPopUp,'value',1))
end

Best Answer

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