private void menuItemHorario_Click(object sender, EventArgs e)
{
if (horarios == null)
{
horarios = new frmHorarios();
horarios.MdiParent = this;
horarios.Show();
}
else
{
horarios.Activate();
}
}
private void btnHorario_Click(object sender, System.EventArgs e)
{
frmHorarios janela = new frmHorarios(this.context);
janela.Show();
}