C#视频播放器，非media Player插件

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

using Microsoft.DirectX;
using Microsoft.DirectX.AudioVideoPlayback;
namespace VideoPlayer
{
    public partial class MainForm : Form
    {
        private Video video = null;

        public MainForm()
        {
            InitializeComponent();
        }

        private void MainForm_Load(object sender, EventArgs e)
        {
           
        }

        private void btnView_Click(object sender, EventArgs e)
        {
         
                OpenFileDialog openDlg = new OpenFileDialog();
                openDlg.Filter="视频文件(*.wmv;*.avi)|*.wmv;*.avi;";

                if (openDlg.ShowDialog() == DialogResult.OK)
                {
                    if (this.video != null)
                    {
                        if (this.video.Playing)
                        {
                            this.video.Stop();

                          
                        }
                    }

                    this.lblFileName.Text = openDlg.FileName;
                    this.video = new Video(openDlg.FileName);
                    int width = this.panPlayOwner.Width;
                    int height = this.panPlayOwner.Height;
                  
                    this.video.Owner = this.panPlayOwner;
                    this.video.Owner.Width = width;
                    this.video.Owner.Height = height;
                    this.video.Play();

                  
                }
           
        }

        private void btnPlay_Click(object sender, EventArgs e)
        {
            if (this.video != null)
            {
                if (this.video.Playing)
                {
                    this.video.Stop();
                }
                this.video.Play();
            }
        }

        private void btnPause_Click(object sender, EventArgs e)
        {
            if (this.video != null)
            {
                if (this.video.Playing)
                {
                    this.video.Pause();
                }
            }
        }

        private void btnStop_Click(object sender, EventArgs e)
        {
            if (this.video != null)
            {
                if (this.video.Playing)
                {
                    this.video.Stop();
                }
            }
        }

        //区域大小改变
        private void panPlayOwner_Resize(object sender, EventArgs e)
        {
            int width = this.panPlayOwner.Width;
            int height = this.panPlayOwner.Height;

            if (this.video != null)
            {
                this.video.Owner.Width = width;
                this.video.Owner.Height = height;
            }
        }

        private void btnFullScreen_Click(object sender, EventArgs e)
        {
            if (this.video != null)
            {
                this.video.Fullscreen = true;
            }
        }

        //退出全屏
        private void MainForm_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (e.KeyChar == (char)Keys.Escape)
            {
                if (this.video != null)
                {
                    if (this.video.Fullscreen == true)
                    {
                        this.video.Fullscreen = false;
                    }[local]1[/local]
                }

            }
        }

        private void panPlayOwner_DoubleClick(object sender, EventArgs e)
        {
            if (this.video != null)
            {
                if (this.video.Fullscreen)
                {
                    this.video.Fullscreen = false;
                }
            }
        }

  
    }
}