Tells the delegate that the specified table column was dragged.
- macOS 10.0+
The table view that sent the message.
The table column.
Specifically, this method is sent when the mouse button goes up in
table has been dragged during the time the mouse button was down. In macOS 10.5 and later the dragged column is sent to the delegate. (In earlier versions of macOS the table column that’s currently located at the dragged column's original index is sent.)