In an existing dropdown ('A', 'B', 'C'..) in GUI, how can I add popup for certain selection to decide it's property by assigning say 35% of A+65% of E

Question

Ratnesh Khandelwal 2023-10-24

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https://ww2.mathworks.cn/matlabcentral/answers/2038096-in-an-existing-dropdown-a-b-c-in-gui-how-can-i-add-popup-for-certain-selection-to-decid

编辑： Ratnesh Khandelwal 2023-11-11

In an existing dropdown('A', 'B', 'C', 'D', 'E', 'F','G','H') in GUI, in case user select last option 'H' then it should automatically open a new window for user to provide 1st element and it's %X and 2nd element and it's %Y (=100-%X) to design it's property. Here, H constitue of two of the dropdown selections, say 35% of B+65% of E

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Answer 1

Walter Roberson 2023-10-24

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That is not going to happen automatically -- what you are asking for is too complex to be a built-in activity.

You will need to code the callback function for the dropbox to detect that option H has been chosen, and activate the appropriate logic. This will be according to your code rather than "automatically".

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Ratnesh Khandelwal 2023-11-10

编辑：Ratnesh Khandelwal 2023-11-11

Thank you Walter for responding to my question here! Being a novice on appdesigner a month back, I had a realization that it's too complex to happen automatically and that's the reason approached this forum to start building up call back function around it. Thanks to your direction, google and open MATLAB forum, I was able to make it happen.

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