Determining whether an object is a member of a collection in VBA

Question

How do I determine whether an object is a member of a collection in VBA?

Specifically, I need to find out whether a table definition is a member of the TableDe

Answer 1

You can shorten the suggested code for this as well as generalize for unexpected errors. Here you go:

Public Function InCollection(col As Collection, key As String) As Boolean

  On Error GoTo incol
  col.Item key

incol:
  InCollection = (Err.Number = 0)

End Function