Add multiple libraries together as an overall library in the Simulink Browser

2022 11 23
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更新时间：2026 2 6
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Hi everybody,
I have programmed various Simulink libraries, which are distributed in various folders. Each library contains various subsystems. I would like to create an overall library in the Simulink Browser, where my libraries appear as sub-libaries.
For example, I programmed libA, libB and libC. These three libraries shall be added as sub-libraries in my "Project XXX" library in the slLibraryBrowser. What is the best approach to do this?
Thanks everybody and with greetings,
Lars

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stozaki
stozaki 2022-11-24

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The following page describes how to register sublibraries. I created a dummy sublibrary and attached it here.
Add Libraries to Library Browser

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Lars Lindner
Lars Lindner 2022-12-15
移动：Walter Roberson 2026-2-6
Hello stozaki and thank you very much for your example. This helped me a lot to get started.
So far, I have been able to implement almost everything I wanted, but I think I found a bug.
I created my library "ProjectXXX" with four sublibraries in it. Every sublibrary has his OpenFcn-callback "open_system('....')" to open the specific library, which are located in sub-folders. So far, so good.
Using your "slblocks.m" I can create a "ProjectXXX" library in the Simulink Library Browser, but some sublibraries are shown empty in the Simulink Library Browser. When I open the empty library with right-click, it opens correctly and show me the correct content. This means, that the sub libraries are created correctly, but unfortunately displayed empty in the Simulink Library Browser.
So far, I have not found the source of the error. What can I do?
Thanks a lot stozaki and with best greetings,
Lars
Trent
Trent 2026-2-6
Very helpful. The key is to create a subsystem in your master library and give this subsystem an "OpenFcn" (Found in the subsystem Property Inspector). The OpenFcn should be the name of your sub-library. I couldn't find this anywhere in the documentation, but this example shows it.

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