Returns the frame of the outline cell for a given row.
- macOS 10.5+
The index of the row for which to return the frame.
The frame of the outline cell for the row at index
row, considering the current indentation and the value in the
indentation property. If the row at index
row is not an expandable row, returns
You can override this method in a subclass to return a custom frame for the outline button cell. If your override returns an empty rect, no outline cell is drawn for that row. You might do that, for example, so that the disclosure triangle will not be shown for a row that should never be expanded.