private void toolStripButtonPlayVideo_Click(object sender, EventArgs e)
        {
            if (this.bestPicListView.SelectedItems.Count != 1)
            {
                return;
            }

            string imgPath = this.bestPicListView.SelectedItems[0].Tag as string;

            ImageDetail imgInfo = ImageDetail.FromPath(imgPath);

            string[] videos = FileSystemStorage.FindVideos(imgInfo);

            if (videos.Length == 0)
            {
                MessageBox.Show("未找到相关视频");
                return;
            }

            VideoPlayer.PlayVideosAsync(videos);
        }
        private void playRelateVideo_Click(object sender, EventArgs e)
        {
            Cell c = this.squareListView1.SelectedCell;

            if (c == null || c.Path == null)
            {
                return;
            }

            ImageDetail imgInfo = ImageDetail.FromPath(c.Path);

            string[] videos = FileSystemStorage.FindVideos(imgInfo);

            if (videos.Length == 0)
            {
                MessageBox.Show(this, "没有找到相关视频", this.Text, MessageBoxButtons.OK, MessageBoxIcon.Information);
                return;
            }

            VideoPlayer.PlayVideosAsync(videos);
        }
        private void queryBtn_Click(object sender, EventArgs e)
        {
            this.picList.Clear();

            if (this.comboBox1.Text == "" || this.comboBox1.Text == null)
            {
                MessageBox.Show("请选择要查询的摄像头ID", "警告");
                return;
            }


            int cameraID = int.Parse(this.comboBox1.Text);

            //judge the input validation
            DateTime date1 = this.dateTimePicker1.Value;
            DateTime date2 = this.dateTimePicker2.Value;
            DateTime time1 = this.timeEdit1.Time;
            DateTime time2 = this.timeEdit2.Time;

            DateTime dateTime1 = new DateTime(date1.Year, date1.Month, date1.Day, time1.Hour, time1.Minute, time1.Second);
            DateTime dateTime2 = new DateTime(date2.Year, date2.Month, date2.Day, time2.Hour, time2.Minute, time2.Second);

            if (dateTime1 >= dateTime2)
            {
                MessageBox.Show("时间起点不应该大于或者等于时间终点,请重新输入!", "警告");
                return;
            }

            string[] files = FileSystemStorage.FindVideos(cameraID, dateTime1, dateTime2);

            if (files == null)
            {
                MessageBox.Show("没有搜索到满足条件的视频!", "警告");
                return;
            }

            this.videoList.Items.Clear();

            foreach (string file in files)
            {
                DateTime     dTime = imgSearch.getDateTimeStr(file);//"2009-6-29 14:00:00"
                ListViewItem lvl   = new ListViewItem();

                #region
                if (radioButton1.Checked == true)
                {
                    if (imgSearch.getPicFiles(file, this.comboBox1.Text, true).Length > 0)
                    {
                        lvl.Text = file;
                        lvl.SubItems.Add(dTime.ToString());
                        videoList.Items.Add(lvl);
                        lvl.ImageIndex = 0;
                    }
                }

                if (radioButton2.Checked == true)
                {
                    lvl.Text = file;
                    lvl.SubItems.Add(dTime.ToString());
                    videoList.Items.Add(lvl);
                    if (imgSearch.getPicFiles(file, this.comboBox1.Text, true).Length > 0)
                    {
                        lvl.ImageIndex = 0;
                    }
                    else
                    {
                        lvl.ImageIndex = 1;
                    }
                }
                #endregion
            }
        }