vlc 播放器

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

namespace vlc.net
{
    public partial class Dialog : Form
    {
        private VlcPlayer vlc_player_;
        
        private bool is_playinig_;

        public Dialog（）
        {
            InitializeComponent（）;

            string pluginPath = System.Environment.CurrentDirectory + “\vlc\plugins\“;
            vlc_player_ = new VlcPlayer（pluginPath）;
            IntPtr render_wnd = this.panel1.Handle;
            vlc_player_.SetRenderWindow（（int）render_wnd）;

            

            tbVideoTime.Text = “00:00:00/00:00:00“;

            is_playinig_ = false;
        }

        private void btnStart_Click（object sender EventArgs e）
        {
            OpenFileDialog ofd = new OpenFileDialog（）;
            if （ofd.ShowDialog（） == DialogResult.OK）
            {
                vlc_player_.PlayFile（ofd.FileName）;
                trackBar1.SetRange（0 （int）vlc_player_.Duration（））;
                trackBar1.Value = 0;
                timer1.Start（）;
                is_playinig_ = true;
            }

        }

        private void btnReset_Click（object sender EventArgs e）
        {
            if （is_playinig_）
            {
                vlc_player_.Stop（）;
                trackBar1.Value = 0;
                timer1.Stop（）;
                is_playinig_ = false;
            }


        }

        private void timer1_Tick（object sender EventArgs e）
        {
            if （is_playinig_）
            {
                if （trackBar1.Value == trackBar1.Maximum）
                {
                    vlc_player_.Stop（）;
                    timer1.Stop（）;
                }
                else
                {
                    trackBar1.Value = trackBar1.Value + 1;
                    tbVideoTime.Text = string.Format（“{0}/{1}“ 
                    GetTimeString（trackBar1.Value） 
                    GetTimeString（trackBar1.Maximum））;
                }
            }


            

        }

        private string GetTimeString（int val）
        {
            int hour = val / 3600;
            val %= 3600;
            int minute = val / 60;
            int second = val % 60;
            return string.Format（“{0:00}:{1:00}:{2:00}“ hour minute second）;
        }

        private void trackBar1_Scroll（object sender EventArgs e）
        {
            if （is_playinig_）
            {
                vlc_player_.SetPlayTime（trackBar1.Value）;
                trackBar1.Value = （int）vlc_player_.GetPlayTime（）;
            }
        }

        private void btnPlay_Click（object sender EventArgs e）
        {
           
        }

        private void btnPause_Click（object sender EventArgs e）
        {
          

            vlc_player_.