Dictionary的使用 C# Dictionary的使用实例代码

class Dirctonary
    {
        public void DictionaryGet()
        {
            Dictionary<int, string> productList = new System.Collections.Generic.Dictionary<int, string>();
            productList.Add(1, "ProductionOne");
            productList.Add(2, "ProductionTwo");

            foreach (KeyValuePair<int, string> production in productList)
            {
                MessageBox.Show(string.Format("{0},{1}", production.Key, production.Value));
            }
            //MessageBox.Show(productList.Count.ToString());
            //MessageBox.Show(productList[1].ToString());
            Dictionary<int, string>.KeyCollection keys = productList.Keys;
            foreach (var item in keys)
            {
                MessageBox.Show(item.ToString());
            }

            Dictionary<int, string>.ValueCollection collection = productList.Values;
            foreach (var item in collection)
            {
                MessageBox.Show(string.Format("{0}", item));
            }
            //productList.Remove(1);
            //productList.Clear();
            MessageBox.Show("判断是否包含键值对中的键为”1“的值");
            if (productList.ContainsKey(1))
            {
                MessageBox.Show(productList[1]);
            }
            MessageBox.Show("判断是否包含键值对中的值为”ProductionTwo“的值");
            if (productList.ContainsValue("ProductionTwo"))
            {
                MessageBox.Show(string.Format("{0}", "this really exists"));
            }
        }