检查散列表值的任何部分是否包含特定的字符串c#

using System;
using System.Collections.Generic;

class Program
{
    static void Main()
    {
        Dictionary<int, string> hashTable = new Dictionary<int, string>();
        hashTable.Add(1, "Hello World");
        hashTable.Add(2, "C# Programming");
        hashTable.Add(3, "Cloud Computing");

        string searchString = "Cloud";

        foreach (var value in hashTable.Values)
        {
            if (value.Contains(searchString))
            {
                Console.WriteLine("The value '{0}' contains the string '{1}'", value, searchString);
            }
        }
    }
}