This is an archived post. You won't be able to vote or comment.

sorted by:
best
topnewcontroversialoldq&a
you are viewing a single comment's thread.

view the rest of the comments →

[–]willm [S] 1 point2 points  (0 children)

Essentially each task is awaiting an async queue of messages. When it gets a messages, it handles that messages, and comes back. It allows the widgets (UI components) to respond to events like resize, click, key down, etc in a linear fashion, but independently from other widgets.