App Designer - how to vertically align butons/listboxes in panel that resizing does not move boxes to center

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Tania Kleynhans 2021-4-16

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https://ww2.mathworks.cn/matlabcentral/answers/804171-app-designer-how-to-vertically-align-butons-listboxes-in-panel-that-resizing-does-not-move-boxes-t

回答： Mario Malic 2021-4-16

SpectralAnalysisApp_autoreflow.mlapp

Good day. I have recently moved from using GUIDE to App Designer, and am struggling with resizing issues. I have a left panel where I have a handfull of buttons and listboxes that I dont want to resize when going fullscreen. The rest of the app (a UIAxis on the right) works correctly when resizing.

The problem is that I can get the buttons to stay the same size, however they move to the center vertically. I read that it might work to add.DropDown.VerticalAlignment = 'top', but the createComponents (app) function does not allow me to edit the app. I have tried to add app.DropDown.VerticalAlignment to the DropDownOpening function but that is not an available function. Any suggestions?

Attached my mlapp file