using Avalonia.Controls; using Avalonia.Interactivity; using System.Diagnostics; using System; namespace net.nehmer.sa.Views; public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); } public void ButtonClicked(object source, RoutedEventArgs args) { if (Double.TryParse(celsius.Text, out double C)) { var F = C * (9d / 5d) + 32; fahrenheit.Text = F.ToString("0.0"); } else { celsius.Text = "0"; fahrenheit.Text = "0"; } } }