First item in a SortedDictionary?

Question

There are many, many threads on ways to get the \"first\" item from a Dictionary, and various answers as to why such a thing is not really a good idea beca

Answer 1

Linq is mostly just a series of extension methods, so you can write own:

Imports System
Imports System.Collections.Generic
Imports System.Runtime.CompilerServices

Public Module EnumerableExtensions

     
    Public Function FirstValue(Of TKey, TValue)(source As SortedDictionary(Of TKey, TValue)) As TValue
        For Each kvp In source
            Return kvp.Value
        Next
        Return Nothing
    End Function

End Module

Public Module Module1
    Public Sub Main()
        Dim a As SortedDictionary(Of string, string) = new SortedDictionary(Of string, string)
        a.Add("foo", "1 - foo")
        a.Add("bar", "2 - bar")
        Console.WriteLine(a.FirstValue())
    End Sub
End Module

Here's the example running in dotnetfiddle.