this.SetVisibleCore(false);
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None;
this.WindowState = FormWindowState.Maximized;
this.SetVisibleCore(true);
this.SetVisibleCore(false);
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None;
this.WindowState = FormWindowState.Maximized;
this.SetVisibleCore(true);