private void exitToolStripMenuItem_Click(object sender, EventArgs e)
{
DialogResult result = MessageBox.Show("Se cerrará la agenda. Está segurx?", "Cerrar", MessageBoxButtons.YesNo);
if (result == DialogResult.Yes)
{
taskControler.Stop();
this.notificationIcon.Dispose();
Application.Exit();
}
else
{
this.Close();
}
}