How can I get the variant names inside a Simulink variant subsystem

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Albert Schwinn 2020-9-14

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https://ww2.mathworks.cn/matlabcentral/answers/593425-how-can-i-get-the-variant-names-inside-a-simulink-variant-subsystem

编辑： Fangjun Jiang 2020-9-15

I have a simple variant subsystem in my Simulink model, where I want to get the names of the subsystems inside. In addition it would be nice to read out the Variant control expression, which is assigned to each subsystem as well.

The subsystem is simple in the sense that it only uses a workspace variable to control the active block. I do not use any variant object, nor do I use the variant manager.

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Answer 1

Fangjun Jiang 2020-9-14

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https://ww2.mathworks.cn/matlabcentral/answers/593425-how-can-i-get-the-variant-names-inside-a-simulink-variant-subsystem#answer_494368

If you run find_system(), set the 'Variants' option (use 'AllVariants'). For subsystem inside the variant subsystem, the property is "VariantControl"

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Albert Schwinn 2020-9-15

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Hi,

thanks for the answer. The find_system(), with the option 'AllVariants' is not what I want, because it returns all blocks inside the variants. I solved it now that way:

f = Simulink.FindOptions('SearchDepth',1);
blocksFullName=getfullname(Simulink.findBlocksOfType(modelName,'SubSystem',f));
for jj=1:length(blocksFullName)
   VariantCtrl{jj}=get_param(blocksFullName{jj},'VariantControl'); %#ok<*AGROW>
end