1. Just have only one column in your NSOutlineView.2. Use the Xcode view inspector or change the alignment dynamically on the appropriate NSView if your outline view is view based.As far as I understand, by default the column is set to fit the content of the cells underneath and will resize itself if the data added will be wider.Nope. The column width does not dynamically adjust to the contents of the cell. At least that's how it works when AutoLayout is disabled. And I don't remember it working differently when AutoLayout is enabled.
Topic:
UI Frameworks
SubTopic:
AppKit
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