private void EditPaymentTerm_Click(object sender, RoutedEventArgs e) { this.isEdit = true; NewPaymentTerm v = new NewPaymentTerm(this); v.Show(); }
private void NewPaymentTerm_Click(object sender, RoutedEventArgs e) { this.isEdit = false; bool isWindowOpen = false; foreach (Window w in Application.Current.Windows) { if (w is NewPaymentTerm) { isWindowOpen = true; w.Activate(); } } if (!isWindowOpen) { NewPaymentTerm period = new NewPaymentTerm(this); period.Show(); } }