The NSToolTipOwner informal protocol declares a method that allows an object to dynamically provide the text to a tool tip. If the tool tip object does not implement this method, the NSObject protocol description method is invoked instead.


Obtaining tool tip strings

func view(NSView, string​For​Tool​Tip:​ NSTool​Tip​Tag, point:​ NSPoint, user​Data:​ Unsafe​Mutable​Raw​Pointer?)

Returns the tool tip string to be displayed due to the cursor pausing at location point within the tool tip rectangle identified by tag in the view view.