private void frmMain_Shown(object sender, EventArgs e) { Form frm = new Home(); frm.TopLevel = false; splitP.Panel2.Controls.Clear(); splitP.Panel2.Controls.Add(frm); frm.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None; frm.Dock = DockStyle.Fill; frm.Show(); Application.DoEvents(); CheckUpdate(); }