private void InitComboBox(EditableComboBox comboBox, ComboBoxInfo info)
 {
     comboBox.DataContext  = new StringListViewModel();
     comboBox.TextChanged += (s, e) => info.SearchFunction();
     comboBox.KeyDown     += (s, e) => {
         if (e.Key == Key.Return || e.Key == Key.Enter)
         {
             info.SearchFunction();
         }
     };
     comboBox.PrePreviewKeyDown += (s, e) => {
         if (e.KeyboardDevice.Modifiers == ModifierKeys.None && e.Key == Key.Down)
         {
             FileTreeView.Focus();
             e.Handled = true;
         }
     };
 }
Exemple #2
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        private void InitComboBox(EditableComboBox comboBox, ComboBoxInfo info)
        {
            comboBox.DataContext  = new StringListViewModel(info.InitialItems);
            comboBox.TextChanged += (s, e) => {
                info.TextChanged(comboBox.Text);
                info.SearchFunction(false);
            };
            comboBox.KeyDown += (s, e) => {
                if ((e.KeyboardDevice.Modifiers == ModifierKeys.None) &&
                    (e.Key == Key.Return || e.Key == Key.Enter))
                {
                    info.SearchFunction(true);
                }
            };

            if (info.PreviousElement != null)
            {
                comboBox.PrePreviewKeyDown += (s, e) => {
                    if (e.KeyboardDevice.Modifiers == ModifierKeys.None && e.Key == Key.Up)
                    {
                        if (!comboBox.IsDropDownOpen)
                        {
                            info.PreviousElement.Focus();
                            e.Handled = true;
                        }
                    }
                };
            }

            if (info.NextElement != null)
            {
                comboBox.PrePreviewKeyDown += (s, e) => {
                    if (e.KeyboardDevice.Modifiers == ModifierKeys.None && e.Key == Key.Down)
                    {
                        if (!comboBox.IsDropDownOpen)
                        {
                            info.NextElement.Focus();
                            e.Handled = true;
                        }
                    }
                };
            }
        }
    private void InitComboBox(EditableComboBox comboBox, ComboBoxInfo info) {
      comboBox.DataContext = new StringListViewModel(info.InitialItems);
      comboBox.TextChanged += (s, e) => {
        info.TextChanged(comboBox.Text);
        info.SearchFunction(false);
      };
      comboBox.KeyDown += (s, e) => {
        if ((e.KeyboardDevice.Modifiers == ModifierKeys.None) &&
            (e.Key == Key.Return || e.Key == Key.Enter)) {
          info.SearchFunction(true);
        }
      };

      if (info.PreviousElement != null) {
        comboBox.PrePreviewKeyDown += (s, e) => {
          if (e.KeyboardDevice.Modifiers == ModifierKeys.None && e.Key == Key.Up) {
            if (!comboBox.IsDropDownOpen) {
              info.PreviousElement.Focus();
              e.Handled = true;
            }
          }
        };
      }

      if (info.NextElement != null) {
        comboBox.PrePreviewKeyDown += (s, e) => {
          if (e.KeyboardDevice.Modifiers == ModifierKeys.None && e.Key == Key.Down) {
            if (!comboBox.IsDropDownOpen) {
              info.NextElement.Focus();
              e.Handled = true;
            }
          }
        };
      }
    }