How to expand all items in a GtkTreeView at start

StackOverflow https://stackoverflow.com/questions/14452929

  •  17-01-2022
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Question

Can any one tell me how to set tree view attribute so that all tree items can show up by default?

The first image shows what I get and the second image shows what I would like to get automatically, that is, to expand the GtkTreeView without clicking the expander.

GtkTreeView without expanding the items, not what I want GtkTreeView showing all items expanded, without clicking the expander to show <code>sd0</code> item

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Solution

You have not specified the language. In C, you should call gtk_tree_view_expand_all(). In Python you should call my_tree.expand_all()

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