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Vb .net 2008 Express WPF

Hi,
I try to use WPF on vb .net express. I have some problems.
1. I cannot drag-drop control to a form (windows). I can type the xaml in
xaml window.
2. After I type xaml, I have to build to "see" the control.
3. I always got warning somtehing like "object reference not set to an
instance of an object".

Are these "normal"?
TIA
Sam
Jun 27 '08 #1
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