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Re: Timer events [message #14290]

Sat, 13 February 1999 00:00

Phillip & Suzanne
Messages: 31
Registered: June 1998

Member

Phil Aldis wrote:
>
> 4. Even though I use it all the time, when you use
> Widget_Control, TIMER=..., is the program actually executing mutiple
> lines of code simultaneously. Does IDL multitask, and how much slower
> do your foreground activities then go?

Phil;

IDL does NOT perform multitasking. When you write a Widget_Control, Timer=...
command, you are actually inserting a request to IDL to queue an event on the
event stack at the time indicated. When IDL notices that the time has been
reached, it puts the event on the event stack, and calls your handler when all
previous events have been handled.

Phillip

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