excel vba check if key is in collection
'A Dictionary is a better choice when you need to determine if a key
'is already in the collection. But here is a VBA function that
'reports True or False for Collections:
Function KeyExists(key$, c As Collection)
On Error Resume Next
c.Item key
KeyExists = Err = 0: Err.Clear
End Function
'--------------------------------------------------------------------
MsgBox KeyExists("Netflix", colFANG)vba collection key exists
Public Function KeyExistsInCollection(ByVal key As String, _
ByRef container As Collection) As Boolean
With Err
If container Is Nothing Then .Raise 91
On Error Resume Next
Dim temp As Variant
temp = container.Item(key)
On Error GoTo 0
If .Number = 0 Then
KeyExistsInCollection = True
ElseIf .Number <> 5 Then
.Raise .Number
End If
End With
End FunctionCopyright © 2021 Codeinu
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