indicatorImage(in:)
Returns the indicator image of the specified table column.
Declaration
func indicatorImage(in tableColumn: NSTableColumn) -> NSImage?Parameters
- tableColumn:
A table column in the table view.
Discussion
An indicator image is an arbitrary (small) image that is rendered on the right side of the column header. An example of its use is in Mail to indicate the sorting direction of the currently sorted column in a mailbox.