Event args for KeyTipService.KeyTipAccessedEvent
Inheritance: System.Windows.RoutedEventArgs
Exemple #1
0
 protected override void OnKeyTipAccessed(KeyTipAccessedEventArgs e)
 {
     if (e.OriginalSource == this)
     {
         if (this.IsEditable)
         {
             if (EditableTextBoxSite != null)
             {
                 RibbonHelper.OpenParentRibbonGroupDropDownSync(this, TemplateApplied);
                 EditableTextBoxSite.Focus();
                 EditableTextBoxSite.SelectAll();
             }
             e.Handled = true;
         }
         else
         {
             base.OnKeyTipAccessed(e);
         }
     }
     else
     {
         base.OnKeyTipAccessed(e);
     }
 }
        private void OnKeyTipExactMatch(DependencyObject exactMatchElement)
        {
            if (!((bool)(exactMatchElement.GetValue(UIElement.IsEnabledProperty))))
            {
                RibbonHelper.Beep();
                return;
            }

            HideCurrentShowingKeyTips();
            _prefixText = string.Empty;
            KeyTipAccessedEventArgs eventArgs = new KeyTipAccessedEventArgs();
            eventArgs.RoutedEvent = PreviewKeyTipAccessedEvent;
            object oldFocusedElement = Keyboard.FocusedElement;
            IInputElement inputElement = exactMatchElement as IInputElement;
            if (inputElement != null)
            {
                inputElement.RaiseEvent(eventArgs);
                eventArgs.RoutedEvent = KeyTipAccessedEvent;
                inputElement.RaiseEvent(eventArgs);
            }

            // KeyTips might have been dismissed by one of the event handlers
            // hence check again.
            if (State != KeyTipState.None)
            {
                object newFocusedElement = Keyboard.FocusedElement;
                DependencyObject newScope = eventArgs.TargetKeyTipScope;
                if (newScope != null &&
                    !KeyTipService.GetIsKeyTipScope(newScope) &&
                    newScope != _currentGlobalScope)
                {
                    throw new InvalidOperationException(SR.Get(SRID.ElementNotKeyTipScope));
                }
                if (newScope == null &&
                    KeyTipService.GetIsKeyTipScope(exactMatchElement))
                {
                    newScope = exactMatchElement;
                }

                if (newScope != null)
                {
                    // Show keytips for new scope in a dispatcher operation.
                    Dispatcher.CurrentDispatcher.BeginInvoke(
                        (Action)delegate()
                        {
                            ShowKeyTipsForScope(newScope, true);
                        },
                        DispatcherPriority.Loaded);
                }
                else
                {
                    LeaveKeyTipMode(oldFocusedElement == newFocusedElement /*restoreFocus*/);
                }
            }
        }