Getting a block from Selection Set

Getting a block from Selection Set

Anonymous
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Getting a block from Selection Set

Anonymous
Not applicable
I have a BlockReference's filtered selectionset. Then, assign the first element in the SS to a AcadBlockReference object. When I tried to use the object I get the error:
"System.NullReferenceException".

What's wrong?
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Message 2 of 2

Anonymous
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Sorry, I forgot a big detail, I'm using VB.NET and Acad 2006
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