private void notasToolStripMenuItem_Click(object sender, EventArgs e)
{
frmNotas n = new frmNotas();
n.MdiParent = this;
n.Show();
}
private void toolStripMenuItem8_Click_1(object sender, EventArgs e)
{
if (Application.OpenForms["frmNotas"] != null)
{
Application.OpenForms["frmNotas"].Activate();
}
else
{
frmNotas frm = new frmNotas();
frm.MdiParent = this;
frm.WindowState = FormWindowState.Maximized;
frm.Show();
}
}