private void NewBill_Click(object sender, EventArgs e)
{
//se localiza el formulario buscandolo entre los forms abiertos
Form fnsc = Application.OpenForms.Cast <Form>().FirstOrDefault(x => x is SearchCustomer);
if (fnsc != null)
{
if (fnsc.WindowState == FormWindowState.Minimized)
{
fnsc.WindowState = FormWindowState.Normal;
}
//si la instancia existe la pongo en primer plano
fnsc.BringToFront();
return;
}
//sino existe la instancia se crea una nueva
SearchCustomer fnscd = new SearchCustomer();
fnscd.Show();
}
private void btnSelect_Click(object sender, RoutedEventArgs e)
{
SearchCustomer window = new SearchCustomer(this);
window.Show();
}