How to know if a table exist on a GUI?

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kyana shayan
kyana shayan 2016-7-17
回答： Image Analyst 2016-7-17
Hi guys, I am developing a one page menu with GUI and I need to know if the user has developed a table by clicking on a push button or not. There will be different codes considering what the user has chosen. can anyone help me on this?

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回答（2 个）

Walter Roberson
Walter Roberson 2016-7-17
http://matlab.wikia.com/wiki/FAQ#How_can_I_share_data_between_callback_functions_in_my_GUI.28s.29.3F
That is, you can share the information about whether the user has taken whatever action you need.
Image Analyst
Image Analyst 2016-7-17
To find out whether a figure has a table on it or not, try something like
handleList = findobj(1, 'type', 'table')
handleList = findobj(1, 'type', 'uitable')
Not sure which one it is, if it is even any of those, but it might be worth giving it a try.
If a table is not there, handleList should be empty.

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