private Point _Position;//拖动窗体
        public FormSelectTeacherTop(FormSelectTeacher f, int type)
        {
            fParent = f;
            SetStyle(ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw | ControlStyles.UserPaint, true);
            UpdateStyles();

            InitializeComponent();
            _Position = new Point();

            if (type == 1)
            {
                InitForm();
            }
            else
            {
                InitForm_LessonOver();
            }

            this.label2.TextAlign      = System.Drawing.ContentAlignment.TopCenter;
            this.label2.Top            = 30;
            this.pictureBox1.BackColor = Color.White;

            this.pictureBox1.BringToFront();//将背景图片放到最下面
            //this.panel1.BackColor = Color.Transparent;//将Panel设为透明
            //this.panel1.Parent = this.picturebox1;//将panel父控件设为背景图片控件
            //this.panel1.BringToFront();//将panel放在前面
        }
 private void HideForm(object sender, EventArgs e)
 {
     this.WindowState = FormWindowState.Minimized;
     fParent.Dispose();
     fParent = null;
     this.Dispose();
     this.Close();
 }
        //确定下课
        private void pictureBox_lessonover_btn_Click(object sender, EventArgs e)
        {
            //TODO: 下课事件处理
            Form1.ShowController(false);

            this.WindowState = FormWindowState.Minimized;
            fParent.Dispose();
            fParent = null;
            this.Dispose();
            this.Close();
        }
        private Point _Position;//拖动窗体
        public FormSelectTeacher_Login(FormSelectTeacher f, int type)
        {
            fParent = f;
            SetStyle(ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw | ControlStyles.UserPaint, true);
            UpdateStyles();

            InitializeComponent();
            _Position = new Point();

            if (type == 1)
            {
                //InitForm();
            }
            else
            {
                //InitForm_LessonOver();
            }
        }