Preventing tread collisions

[Wanderer]

On Thursday, December 13, 2012 11:54:10 AM UTC-5, Dave Angel wrote:
> On 12/13/2012 11:36 AM, Wanderer wrote:
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> > <snip>
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> >
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> > Thanks. Why Non-blocking?
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> 
> 
> You said you didn't want the GUI to lock up.  Non-blocking lets you
> 
> choose alternative action when you would otherwise have to wait for the
> 
> resource.
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> 
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> 
> 
> 
> 
> -- 
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> 
> DaveA

Thanks. I understand now.