private void AgregarCliente(object sender, RoutedEventArgs e)
{
AgregarPersona agregar = new AgregarPersona();
agregar.Show();
agregar.ResizeMode = System.Windows.ResizeMode.NoResize;
}
private void agregarPersonaToolStripMenuItem_Click(object sender, EventArgs e)
{
AgregarPersona ventana = new AgregarPersona();
ventana.Show();
}