using System.Windows; namespace BetterEN5.UI { public partial class ActivateDialog : Window { public string LicenseKey { get; private set; } = ""; public ActivateDialog() { InitializeComponent(); } private void OnKeyTextChanged(object sender, System.Windows.Controls.TextChangedEventArgs e) { ActivateButton.IsEnabled = KeyTextBox.Text.Trim().Length >= 4; } private void Activate_Click(object sender, RoutedEventArgs e) { LicenseKey = KeyTextBox.Text.Trim(); DialogResult = true; Close(); } } }