Hi,
> Plus I do use MemberData does it affect so much the speed?
Absolutely. If your class hierarchy is sufficiently complex, Memberdata slows down the IDE to a degree that it is unusable. Even operations like selecting a single control in the designer can easily take up to ten seconds. It gets faster if you don't open the Document View at the same time. I refrain from using Memberdata in any more complex project.
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Christof