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Loading data from gui to a function

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Milad Javan
Milad Javan 2011-9-24
I made a GUI for my project. When I press start push button a timer start working. It execute a function named "update.m" each second. I need to change GUI elements properties (like edittext, text, pop up menu ,...) in update.m function routine but I don't have access to handles variable.
What should I do? can I use assignin function? What is function caller?

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回答（2 个）

Fangjun Jiang
Fangjun Jiang 2011-9-24
In the callback function of your push button, you have access to the handles. Pass this handles to update.m
Walter Roberson
Walter Roberson 2011-9-24
I wouldn't pass the handles structure if you are using it to carry data that is not just object handles (and the object handles are not going to change.)
The more general method is to instead pass the GUI figure handle to the update call, such as
timer('Callback', {@update, GuiFigureNumber}, ....)
Then,
function update(FigureNumber)
handles = guidata(FigureNumber);
...
end

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