//最大化

            this.WindowState = FormWindowState.Maximized;

            //去掉标题栏

            this.FormBorderStyle = FormBorderStyle.None;

            //设置picbox

            this.pictureBox1.Width = this.Width;

            this.pictureBox1.Height = this.Height;

            this.pictureBox1.Left = ;

            this.pictureBox1.Top = ;

            this.pictureBox1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)

           | System.Windows.Forms.AnchorStyles.Left)

           | System.Windows.Forms.AnchorStyles.Right)));

            this.pictureBox1.BackgroundImageLayout = System.Windows.Forms.ImageLayout.Stretch;//设置背景图像布局

            this.pictureBox1.Dock = System.Windows.Forms.DockStyle.Fill; //随着父级一起改变

            this.pictureBox1.SizeMode = PictureBoxSizeMode.StretchImage;//自适应

  //最大化

            this.WindowState = FormWindowState.Maximized;

            ////去掉标题栏

            //this.FormBorderStyle = FormBorderStyle.None;

            //设置picbox

            this.axWindowsMediaPlayer1.Width = this.Width;

            this.axWindowsMediaPlayer1.Height = this.Height;

            this.axWindowsMediaPlayer1.Left = ;

            this.axWindowsMediaPlayer1.Top = ;

            this.axWindowsMediaPlayer1.Dock = System.Windows.Forms.DockStyle.Fill; //随着父级一起改变