Question

How to check if key exists in Dictionary with VB.NET

Answer 1

Module Module1

    Sub Main()

        Dim dic As New Dictionary(Of Integer, String)

        dic.Add(1, "VB.NET")
        dic.Add(2, "Java")
        dic.Add(5, "c++")

        If dic.ContainsKey(2) Then
            Console.WriteLine("yes")
        End If

    End Sub

End Module

' run:
' 
' yes

 

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