Rif.: Programmically Collapse Contents of Tree Control in CVI 2020

[telsenbroich]

Does anyone know if there is a way to programmically collapse the contents of a tree control in CVI 2020? I cannot find this in the help or the examples.

I am trying to have everything collapsed so that the user can select which information they want expanded.

Thank you.

[RobertoBozzolo · Accepted solution]

To have all items in a tree control collapsed you can call

SetTreeItemAttribute (panelHandle, TreeControlID, VAL_ALL_OBJECTS, ATTR_COLLAPSED, 1);

[telsenbroich]

That is exactly what I was looking for! Thank you so much!