"ghost" knobs on sliders?
"ghost" knobs on sliders?
- Subject: "ghost" knobs on sliders?
- From: Chris Stephens <email@hidden>
- Date: Wed, 30 Mar 2005 22:50:00 +1000
Hi folks,
Thanks for all the help with my recent slider query: I'm sorted now and
progressing.
I now have my application's sliders responding to physical movements of
the knobs on the hardware device.
When I programmatically request a dump of all the controls (the
hardware device has a command to let me do this) the slider knobs fly
obediently to their positions - but sometimes leave a "ghost" image of
the knob in the centre position where they all were a moment before.
You can see the effect at
http://www.elucid.com.au/images/ghost-knobs.jpg .
Is this a known phenomenon? How should I fix it?
Chris
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