using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        var d = new Dictionary<string, string>();

        d.Add("ScaEnabledxxxx", "false");

​

        _= d.TryGetValue("ScaEnabled", out var scaEnabled);

​

​

        if (!scaEnabled?.Equals("true", StringComparison.OrdinalIgnoreCase) == true)

            Console.WriteLine("xxxx");

    }

}