/// <summary>

        /// 调整画面布局

        ///
</summary>

        /// <param
name="videoNum"></param>

        ///
<returns></returns>

        private bool InitializeVideo(int
videoNum)

        {

            //计算行列

            int
rowcol;

            if (videoNum <= 0 ||
!int.TryParse(Math.Sqrt(videoNum).ToString(), out rowcol))

           
{

                return false;

            }

           
//计算宽高

            int WidthHeight = (int)(MainPanel.Width /
rowcol);

           

            //重新设置表格

           
//MainPanel为TableLayoutPanel控件

           
MainPanel.Controls.Clear();

            MainPanel.RowCount =
MainPanel.ColumnCount = rowcol;

            MainPanel.CellBorderStyle =
TableLayoutPanelCellBorderStyle.Single;

           
MainPanel.Refresh();

            for (int i = 0; i <
MainPanel.ColumnStyles.Count; i++)

            {

               
MainPanel.ColumnStyles[i].SizeType = SizeType.Absolute;

               
MainPanel.ColumnStyles[i].Width = WidthHeight;

            }

           
for (int i = 0; i < MainPanel.RowStyles.Count; i++)

           
{

                MainPanel.RowStyles[i].SizeType =
SizeType.Absolute;

                MainPanel.RowStyles[i].Height =
WidthHeight;

            }



            //添加控件

            for (int
i = 0; i < videoNum; i++)

            {

                PictureBox
pVideo = new PictureBox();

                pVideo.Padding = pVideo.Margin =
new Padding(0);

                pVideo.Name = "pVideo" +
i.ToString();

                pVideo.Width = pVideo.Height =
WidthHeight;

                pVideo.Dock = DockStyle.Fill;

               
pVideo.BackgroundImage = Resources.bg;

               
pVideo.BackgroundImageLayout = ImageLayout.Stretch;

               
pVideo.Click += new EventHandler(pVideo_Click);



               
MainPanel.Controls.Add(pVideo, i % rowcol, i / rowcol);

           
}





            return true;

        }



        ///
<summary>

        /// 点击图像事件

        /// </summary>

       
/// <param name="sender"></param>

        /// <param
name="e"></param>

        private void pVideo_Click(object sender,
EventArgs e)

        {

            PictureBox pVideo =
(PictureBox)sender;

           
//MessageBox.Show(pVideo.Name);

            if
(MainPanel.GetColumnSpan(pVideo) == 1)

            {

               
//隐藏其它控件

                foreach (Control ctr in
MainPanel.Controls)

                {

                    if (ctr.Name !=
pVideo.Name)

                        ctr.Visible = false;

               
}

                pos =
MainPanel.GetPositionFromControl(pVideo);

               
MainPanel.SetCellPosition(pVideo, new TableLayoutPanelCellPosition(0,
0));

                MainPanel.SetRowSpan(pVideo,
MainPanel.RowCount);

                MainPanel.SetColumnSpan(pVideo,
MainPanel.ColumnCount);

            }

            else

           
{

                //显示所有控件

                foreach (Control ctr in
MainPanel.Controls)

                {

                    ctr.Visible =
true;

                }

                MainPanel.SetCellPosition(pVideo,
pos);

                MainPanel.SetRowSpan(pVideo, 1);

               
MainPanel.SetColumnSpan(pVideo, 1);

            }

        }