NSToolTipOwner Protocol Reference
Available in OS X v10.0 and later.
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
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.
userData is additional information provided by the creator of the tool tip rectangle.
- Available in OS X v10.0 and later.