c#Windwosmedia控件使用探索(2)

 播放列表编辑界面

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;


namespace 谢飞的专属播放器
{
    /// <summary>
    /// 播放列表窗口
    /// </summary>
    public partial class DocumentForm : Form
    {
        public MainForm mainform;

        public DocumentForm(MainForm mainform)
        {
            InitializeComponent();
            this.mainform = mainform;
        }
        private void btnAdd_Click(object sender, EventArgs e)
        {
            addListForm listForm = new addListForm(this);
            listForm.ShowDialog();
        }

        private void DocumentForm_Load(object sender, EventArgs e)
        {
            if (mainform.document != null)
            {
                List<string> list = mainform.document.getListTitle();
                this.lisTitle.Items.AddRange(list.ToArray());
            }
        }
        private void lisTitle_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (lisTitle.SelectedItem != null)
            {
                this.lisDetails.Items.Clear();
                string title = this.lisTitle.SelectedItem.ToString();
                List<string> list = mainform.document.getDetailsByTitle(title);
                this.lisDetails.Items.AddRange(list.ToArray());
            }
        }
        private void btnCancel_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void btnDeleteTitle_Click(object sender, EventArgs e)
        {
            if (lisTitle.SelectedItem != null)
            {
                if (!("".Equals(lisTitle.SelectedItem.ToString())))
                {
                    lisDetails.Items.Clear();
                    mainform.document.deleteTitle(lisTitle.SelectedItem.ToString());
                    lisTitle.Items.Remove(lisTitle.SelectedItem);

                }
            }
        }

        private void btnDeleteDetails_Click(object sender, EventArgs e)
        {
            if (lisDetails.SelectedItem != null)
            {               
                mainform.document.deleteDetails(lisTitle.SelectedItem.ToString(), lisDetails.SelectedItem.ToString());
                lisDetails.Items.Remove(lisDetails.SelectedItem);
            }
        }

        private void btnDone_Click(object sender, EventArgs e)
        {
            mainform.saveList();
            mainform.loadList();
            this.Close();
        }

    }
}