private bool HandleUpDownKey(bool up, KeyEventArgs e) { FocusNavigationDirection direction = (up ? FocusNavigationDirection.Up : FocusNavigationDirection.Down); if (AllowHandleKeyEvent(direction)) { TreeView treeView = ParentTreeView; IInputElement originalFocus = Keyboard.FocusedElement; if (treeView != null) { FrameworkElement startingContainer = this.HeaderElement; if (startingContainer == null) { startingContainer = this; } ItemsControl parentItemsControl = ItemsControl.ItemsControlFromItemContainer(this); ItemInfo startingInfo = (parentItemsControl != null) ? parentItemsControl.ItemInfoFromContainer(this) : null; return(treeView.NavigateByLine( startingInfo, startingContainer, direction, new ItemNavigateArgs(e.Device, Keyboard.Modifiers))); } } return(false); // Not handled }
// Token: 0x06005924 RID: 22820 RVA: 0x0018A270 File Offset: 0x00188470 private bool HandleUpDownKey(bool up, KeyEventArgs e) { FocusNavigationDirection direction = up ? FocusNavigationDirection.Up : FocusNavigationDirection.Down; if (this.AllowHandleKeyEvent(direction)) { TreeView parentTreeView = this.ParentTreeView; IInputElement focusedElement = Keyboard.FocusedElement; if (parentTreeView != null) { FrameworkElement frameworkElement = this.HeaderElement; if (frameworkElement == null) { frameworkElement = this; } ItemsControl itemsControl = ItemsControl.ItemsControlFromItemContainer(this); ItemsControl.ItemInfo startingInfo = (itemsControl != null) ? itemsControl.ItemInfoFromContainer(this) : null; return(parentTreeView.NavigateByLine(startingInfo, frameworkElement, direction, new ItemsControl.ItemNavigateArgs(e.Device, Keyboard.Modifiers))); } } return(false); }