Catel.Windows.DataWindow.OnKeyDown C# (CSharp) Method

        protected override void OnKeyDown(KeyEventArgs e)
        {
            base.OnKeyDown(e);
#endif

            if (e.Handled)
            {
                return;
            }

            if (Keyboard.Modifiers != ModifierKeys.None)
            {
                return;
            }

            if (e.Key == Key.Enter)
            {
                if (_defaultOkElement != null)
                {
                    _defaultOkElement.GotFocus += OnButtonReceivedFocus;
                    if (!_defaultOkElement.Focus())
                    {
                        HandleDefaultButton();
                    }

                    e.Handled = true;
                }
                else if (_defaultOkCommand != null)
                {
                    HandleDefaultButton();
                    e.Handled = true;
                }

                // Else let it go, it's a custom button
            }

            if (e.Key == Key.Escape && CanCloseUsingEscape)
            {
                if (_defaultCancelCommand != null)
                {
                    Log.Info("User pressed 'Escape', executing cancel command");

                    // Not everyone is using the ICatelCommand, make sure to check if execution is allowed
                    if (_defaultCancelCommand.CanExecute(null))
                    {
                        _defaultCancelCommand.Execute(null);
                        e.Handled = true;
                    }
                }
                else
                {
                    Log.Info("User pressed 'Escape' but no cancel command is found, setting DialogResult to false");

                    if (!SetDialogResultAndMakeSureWindowGetsClosed(false))
                    {
                        Close();
                    }

                    e.Handled = true;
                }
            }
        }