WaitForInputIdle waits for any thread, which might not be the thread you care about

Raymond Chen March 26, 2010 Mar 26, 2010 03/26/10

We saw last time that the WaitForInputIdle function waits only once for a process to go input idle. Even if the process later stops processing messages, WaitForInputIdle will return immediately and say, "Yeah, he's idle." The way a process is determined to be input idle is that it is waiting for user input when there is none. This translates...