On Feb 28, 2006, at 8:10 AM, Karen wrote:


On Feb 28, 2006, at 1:23 AM, Christian Miller wrote:

On Feb 27, 2006, at 11:16 PM, Karen wrote:

Thanks... but is it safe to use a thread to update Listbox.ScrollPostionX and will the screen be updated during the drag?

If you're building Carbon apps, nothing in your app will update during a drag.


What about on windows?

Updating Listbox.ScrollPositionX from a thread does not work on Win2K either .. also on Win2K (but not OSX) trying that resulted in a failed assertion at

RunTimethread.cpp: 528
Failure Condition: not HasMultipleThreads()

- Karen
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