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Mar 20, 2026: Yesterday

5:20 PM Ticket #4080 (Tree View Extended Styles) updated by MattyD

Ah ok thanks, I've somehow missed that. But yeah, dunno what the best approach is. I see _GUICtrlTreewView_GetChecked() currently returns: […] Which probably isn't ideal as the check indexes aren't a bit field. Just as a point of interest, TVIS_CHECKED and TVIS_UNCHECKED aren't actually windows constants either, so I guess they were made up to avoid magic numbers. I'd almost be inclined to do something this, and say in the doco that $TVS_CHECKBOXES is required here. You cant use TV_EX* checks with the TVS_CHECKBOXES style, so this would just support the check/uncheck toggle. […] This kinda makes sense as the inverse to SetChecked too?