If you’re working on a Web-design document in almost any application, you can drag its proxy icon into an Apple Safari or Mozilla Firefox window to see the result of your current design. 8. Move ...

Proxy Icon Quirks and Caveats. The modifier keys you can use while dragging a file or folder in the Finder also work with proxy icons. So, when using a Finder location like the desktop as a ...

Dragging the proxy icon from the title bar—as I’m doing here—is another way to attach documents to a newly created e-mail message in Mail or Entourage. You can do this with Web pages in ...

It's called a "proxy icon" and it allows you to drag and drop directly from the title bar. It's just as though you had clicked and dragged on the document icon in the Finder.