[Qt-interest] QTreeView expand delay

[Deepak Chandran]

In my application, I use a tree view to summarize a model. The model can
change due to various things, so I generate a new model every time there is
a change. When I assign the new model to the tree view, I make store the
original nodes that were expanded and try to reproduce the same structure
after updating the model. However, the expand has no effect when it is done
immediately after the model update. I read in a previous post that there is
a delay between updating the model and being able to expand/collapse nodes.So,
if I want to constantly update the model and adjust which nodes are expanded
at the same time, where would be the best place to do this (i.e. which
signal/slot)?

Thanks.
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