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: 0x060058EA RID: 22762 RVA: 0x00189810 File Offset: 0x00187A10
private bool HandleScrollByPage(KeyEventArgs e)
{
IInputElement focusedElement = Keyboard.FocusedElement;
ItemsControl itemsControl = ItemsControl.ItemsControlFromItemContainer(this._selectedContainer);
ItemsControl.ItemInfo startingInfo = (itemsControl != null) ? itemsControl.ItemInfoFromContainer(this._selectedContainer) : null;
FrameworkElement frameworkElement = this._selectedContainer.HeaderElement;
if (frameworkElement == null)
{
frameworkElement = this._selectedContainer;
}
return(base.NavigateByPage(startingInfo, frameworkElement, (e.Key == Key.Prior) ? FocusNavigationDirection.Up : FocusNavigationDirection.Down, new ItemsControl.ItemNavigateArgs(e.Device, Keyboard.Modifiers)));
}
private bool HandleScrollByPage(KeyEventArgs e)
{
IInputElement originalFocusedElement = Keyboard.FocusedElement;
ItemsControl parentItemsControl = ItemsControl.ItemsControlFromItemContainer(_selectedContainer);
ItemInfo startingInfo = (parentItemsControl != null)
? parentItemsControl.ItemInfoFromContainer(_selectedContainer)
: null;
FrameworkElement startingContainer = _selectedContainer.HeaderElement;
if (startingContainer == null)
{
startingContainer = _selectedContainer;
}
return(NavigateByPage(startingInfo,
startingContainer,
(e.Key == Key.PageUp ? FocusNavigationDirection.Up : FocusNavigationDirection.Down),
new ItemNavigateArgs(e.Device, Keyboard.Modifiers)));
}
// 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);
}