Can't add keyValuePair directly to Dictionary

Question

I wanted to add a KeyValuePair to a Dictionary and I couldn\'t. I have to pass the key and the value separately, which must

Answer 1

What would be wrong with just adding it into your project as an extension?

namespace System.Collection.Generic
{
    public static class DictionaryExtensions
    {
        public static void AddKeyValuePair(this IDictionary me, KeyValuePair other)
        {
            me.Add(other.Key, other.Value);
        }
    }
}