Change Legend Markers after legend creation in App Designer

Question

Joel Möllering 2018-1-3

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/375383-change-legend-markers-after-legend-creation-in-app-designer

回答： Neil Guertin 2018-1-4

Hello, After reading through the documentation, I discovered that using legend() with more than 1 output allows changing legend icon properties. However, legend doesn't allow that in App Designer. That's a bummer because if App Designer is intended to make apps, it should allow full customization of whatever a person wants to show in the app. So, my question is: anyone knows any workaround to be able un-link the automatic legend marker icons? (I mean, right now, if I change the marker Size in the plot, the legend updates automatically, but I don't want that, I want the size of the icons to remain static.)

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Answer 1

Neil Guertin 2018-1-4

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https://ww2.mathworks.cn/matlabcentral/answers/375383-change-legend-markers-after-legend-creation-in-app-designer#answer_298720

There is no currently supported way to get access to the icons of a legend in App Designer. As a workaround you could create an invisible line with the desired marker size and use a reference to it in the legend instead.

The multiple output version of legend is a compatibility measure for a syntax used long ago and is not available on the newer version of the legend used in App Designer.