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How to prevent a background subsystem from opening

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Ilya
Ilya on 6 Apr 2015
Answered: ashish ahir on 8 Apr 2015
it's known that the only way to create colored backgrounds for block groups in Simulink is to create empty masked subsystems and place them behind the blocks ("Send to back") However, I've noticed that when I click on such a background, the contents of the subsystem open up (i.e. an empty white field, because the "background" subsystem is usually created without any blocks inside). Is it possible to prevent a subsystem from opening by clicking, so that nothing happens when a subsystem is clicked?

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Accepted Answer

TAB
TAB on 7 Apr 2015
Just close the subsystem as soon as they open from "OpenFun" callback of subsystem. Goto Block Properies >> Callbacks >> OpenFcn and write
close_system(gcbh);
in OpenFcn callback

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Ilya
Ilya on 8 Apr 2015
Thanks a lot, I thought it should be easier!

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More Answers (2)

Sebastian Castro
Sebastian Castro on 6 Apr 2015
The easiest thing, although not necessarily the most feasible, would be to upgrade to R2015a if you can. In this release, Simulink has new Area Annotations.
- Sebastian

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ashish ahir
ashish ahir on 8 Apr 2015
simple way may be to select the blocks you want to put under one section and give them seperate background colour.

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