The Old New Thing

Asynchronous input vs synchronous input, a quick introduction

June 4, 2013 Jun 4, 2013 06/4/13

Raymond Chen

One of the topics I covered at my PDC talk was the asynchronous input model. I don't think I ever discussed it on this Web site, so I guess I'll do it now, so that I can point people at it in the future. In the old days of 16-bit Windows, input was synchronous. All input went into a system-wide input queue, and the intuitive rule for input ...