private void verTurnosToolStripMenuItem_Click(object sender, EventArgs e)
{
if (listTurn == null)
{
listTurn = new frmListarTurnos();
listTurn.MdiParent = this;
listTurn.FormClosed += new FormClosedEventHandler(listTurn_FormClosed);
listTurn.Show();
}
}
void listTurn_FormClosed(object sender, EventArgs e)
{
listTurn = null;
}
