private void restaToolStripMenuItem_Click(object sender, EventArgs e) { FrmOperaciones frmop = new FrmOperaciones(); frmop.MdiParent = this; frmop.BtnSuma.Enabled = false; frmop.Show(); }
private void sumaToolStripMenuItem_Click(object sender, EventArgs e) { FrmOperaciones frmop = new FrmOperaciones(); frmop.MdiParent = this; frmop.BtnResta.Enabled = false; frmop.BtnMultiplicar.Enabled = false; frmop.BtnDiv.Enabled = false; frmop.Show(); }