实现可重复键的字典

C#可重复键的字典

实现接口，即可

public class MyDictionaryComparer : IEqualityComparer<string>
{
    public bool Equals(string x, string y)
    {
        return x != y;
    }

    public int GetHashCode(string obj)
    {
        return obj.GetHashCode();
    }
}