> Ok, so you need to distinguish between a complete switch and changes
> of the properties.
>> What I'm trying to achieve is some persistant state; so that for each
>> SurfaceBuffer the user creates I can associate a CMyBuffer.
>> Then on receiving the SMD_DESTINATION or SMF_SOURCE flags I no longer
need
>> to create a CMyBuffer; it's already available and ready to go.
> Each surface has a serial that is increased each time the object is
> notified, which happens mostly due to property changes. So you might
> want to do something similar to the serial handling code in state.c.
Ok, that looks good.
Thanks again,
Jason Barstow.
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