>>>And what is the likely lifetime of WPF or is there already a replacement brewing with Microsoft which will again invalidate developers years if experience training .
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>>That is asking for the unknown future (speculation?). If they find a better way I don't see something wrong that it could change again.
>>Cetin
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>No I agree but sometimes it seems like you climb the Microsoft mountain and when you get to the top you see there's just another slightly taller mountain in front of you.

Personally I would be bored stiff in a field where nothing changes.