private void mnTBTrangTB_Click(object sender, System.EventArgs e) { frmTBTrangTB f = new frmTBTrangTB(); f.MdiParent = this; f.Show(); }
private void mnTBTrangTB_Click(object sender, System.EventArgs e) { frmTBTrangTB f = new frmTBTrangTB(); f.MdiParent = this; f.Show (); }