Chapter 21. Pasteboards and Nil-Targeted Actions
The pasteboard server (
/usr/bin/pboard) is a process that runs on your Mac. Applications use the
NSPasteboard class to write data into and to read data from that process. The pasteboard server makes possible such operations as copying, cutting, and pasting between applications.
An application can copy the same data onto the pasteboard in several formats. For example, an image can be copied onto the pasteboard as a PDF document and as a bitmapped image. Then the application that reads the data can choose the format that it prefers.
When putting data on the pasteboard, your application typically declares the types it will put on the pasteboard and then immediately copies that data to the pasteboard. ...