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Dyn 5008 watch node height 4 dictionary #12989
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QilongTang
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DynamoDS:master
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jesusalvino:DYN-5008-WatchNode-Height-4-Dictionary
Jun 14, 2022
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Could
Children[0]
ever be null?There was a problem hiding this comment.
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If just a null value is passed to the watch node, i think the watch node doesn't consider it a child and children could be zero. Can you verify?
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After a lot of debugging at least in the more common scenarios of the WatchNode, In this section of the code when we are dealing with the Iscollection property, no.
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The only way that I found to assign a null value to the WatchNode is being explicit from a Code Block. Per my understanding all the data types that a WatchNode receives always is handled in the first Child[0].
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QilongTang reddyashish Please your thoughts/worries, Maybe I'm missing something like others scenarios, complex data types or whatever, It will be nice to test it in order to be on the same page and prevent Dynamo crashes or unexpected behaviors.
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It would be hard to tell accurately considering all cases. To be on the safe side, you can just add a additional check before that like:
if(_vm.Children.Count > 0 && ....)
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What do you think about the highlighted line ?
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Oh, I did not see that. Looks good to be merged.
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In line 63, you can just use the variable NodeLabel you created instead of _vm.Children[0].NodeLabel.
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Done