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Hi Team,

I am using sfDiagram for one of my requirement, where I need to dynamically add or remove parents of each node. 

However, when it supports multiple parents( ParentId is list<int> ), the connection between parent and node disappear after I update the ParentId in runtime. 

When the 
ParentId is int,  nothing goes wrong.

I am not able to figure out what I am missing.
I have attached a similar sample with Skeleton code. Please help.

Thank you,