c#Windwosmedia控件使用探索(3)

来源：互联网发布：厦门大学软件学院分数编辑：程序博客网时间：2024/04/29 12:15
播放列表类:
using System;
using System.Collections.Generic;
using System.Collections;
using System.Text;
using System.IO;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary;
namespace 谢飞的专属播放器
{
    /// <summary>
    /// 播放列表
    /// </summary>
    [Serializable]
   public class MyDocument
    {
        public Hashtable mylist = new Hashtable();
        /// <summary>
        /// 得到所有列表的标题
        /// </summary>
        /// <returns></returns>
        public List<string> getListTitle()
        {
            if (mylist == null)
            {
                return null;
            }
            List<string> title = new List<string>();
            foreach (DictionaryEntry de in mylist)
            {
                title.Add((string)de.Key);
            }
            return title;
        }
        /// <summary>
        /// 得到制定标题下的详细内容
        /// </summary>
        /// <param name="title"></param>
        /// <returns></returns>
        public List<string> getDetailsByTitle(string title)
        {
            if (mylist == null)
            {
                return null;
            }
            if (mylist.ContainsKey(title))
            {
                foreach (DictionaryEntry de in mylist)
                {
                    if (((string)de.Key).Equals(title))
                    {
                        return (List<string>)de.Value;
                    }
                }
            }
            return null;
        }
        /// <summary>
        /// 删除播放列表
        /// </summary>
        /// <param name="title"></param>
        /// <returns></returns>
       public bool deleteTitle(string title)
       {
           try
           {
               mylist.Remove(title);
               return true;
           }
           catch (Exception ex)
           {
               return false;
           }
       }
        /// <summary>
        /// 删除制定列表的指定内容
        /// </summary>
        /// <param name="title"></param>
        /// <param name="value"></param>
        /// <returns></returns>
       public bool deleteDetails(string title, string value)
       {
           foreach (DictionaryEntry de in mylist)
           {
               if (((string)de.Key).Equals(title))
               {
                   List<string> list = (List<string>)de.Value;
                   list.Remove(value);
                   mylist.Remove(title);
                   mylist.Add(title, list);
                   return true;
               }
           }
           return false;
       }
    }
    /// <summary>
    /// 播放列表
    /// </summary>
    public class playlist
    {
        private string name;
        private List<string> details;
        public string getName()
        {
            return this.name;
        }
        public List<string> getDetails()
        {
            return this.details;
        }
        public void setName(string name)
        {
            this.name = name;
        }
        public void setDetails(List<string> details)
        {
            this.details = details;
        }
    }
}