private void abrirNivelToolStripMenuItem_Click(object sender, EventArgs e) { try{ FrmRegistraNivel childForm = new FrmRegistraNivel(); childForm.MdiParent = this; //childForm.AutoSizeMode = System.Windows.Forms.AutoSizeMode.GrowAndShrink; childForm.Show(); } catch (Exception ex) { showMessage(ex.Message); } }