priority queue in c#

pqueue.cs

using System.Collections.Generic;
using System.Linq;

namespace FB
{

    public class PQueue<T>
    {
        private SortedDictionary<float, Stack<T>> sdict;

        public PQueue()
        {
            sdict = new SortedDictionary<float, Stack<T>>();
        }

        public void Put(T thing, float priority)
        {
            if (sdict.ContainsKey(priority))
            {
                sdict[priority].Push(thing);
            } else
            {
                var s = new Stack<T>();
                s.Push(thing);
                sdict.Add(priority,s);
            }
        }

        public T Get()
        {

            var kvp = sdict.ElementAt(0);
            var result = kvp.Value.Pop();
            if (kvp.Value.Count == 0)
            {
                sdict.Remove(kvp.Key);
            }
            return result;
        }

        public bool Empty()
        {
            return sdict.Count == 0;
        }
    
    }
}