Find Open Data Dictionary Handle

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Richard Hopple
Richard Hopple 2025-7-24
编辑： Walter Roberson 2025-7-25
I am programmatically editing some entries in referenced data dictionaries (opened via top-level data dict). As such, I do not have the handles for the individual referenced data dictionaries and only the top level one.
Is there a way to find the handles for all the loaded data dictionaries? Currently, I am trying to use Simulink.data.dictionary.getOpenDictionaryPaths to find the open data dictionaries then reopen them with Simulink.data.dictionary.open but that is failing. This is only an issue on one specific computer and works on the other ones I have tested it on.
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Julian
Julian 2025-7-25
编辑：Walter Roberson 2025-7-25
@Curve Rush, Use the following code to get handles for all open data dictionaries, including referenced ones:
paths = Simulink.data.dictionary.getOpenDictionaryPaths;
handles = cellfun(@Simulink.data.dictionary.open, paths, 'UniformOutput', false);
If it fails on one computer, check for file access issues or permissions. Add a try-catch block to identify problematic files.

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