Posts by davi.in • 21 points

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  Q: Undefined object reference for an object instance (which is not null)

  I am trying to show the amount of free space of a drive (the C:) but I get the error "Additional information: Undefined object reference for an instance of an object". When I use a MessageBox to…

  c#

  asked 6 years, 10 months ago davi.in 21