// Token: 0x060056D1 RID: 22225 RVA: 0x00180420 File Offset: 0x0017E620
private static void OnIsSelectedChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
TabItem tabItem = d as TabItem;
bool flag = (bool)e.NewValue;
TabControl tabControlParent = tabItem.TabControlParent;
if (tabControlParent != null)
{
tabControlParent.RaiseIsSelectedChangedAutomationEvent(tabItem, flag);
}
if (flag)
{
tabItem.OnSelected(new RoutedEventArgs(Selector.SelectedEvent, tabItem));
}
else
{
tabItem.OnUnselected(new RoutedEventArgs(Selector.UnselectedEvent, tabItem));
}
if (flag)
{
Binding binding = new Binding("Margin");
binding.Source = tabItem;
BindingOperations.SetBinding(tabItem, KeyboardNavigation.DirectionalNavigationMarginProperty, binding);
}
else
{
BindingOperations.ClearBinding(tabItem, KeyboardNavigation.DirectionalNavigationMarginProperty);
}
tabItem.UpdateVisualState();
}
private static void OnIsSelectedChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
TabItem tabItem = d as TabItem;
bool isSelected = (bool)e.NewValue;
TabControl parentTabControl = tabItem.TabControlParent;
if (parentTabControl != null)
{
parentTabControl.RaiseIsSelectedChangedAutomationEvent(tabItem, isSelected);
}
if (isSelected)
{
tabItem.OnSelected(new RoutedEventArgs(Selector.SelectedEvent, tabItem));
}
else
{
tabItem.OnUnselected(new RoutedEventArgs(Selector.UnselectedEvent, tabItem));
}
// KeyboardNavigation use bounding box reduced with DirectionalNavigationMargin when calculating the next element in directional navigation
// Because TabItem use negative margins some TabItems overlap which would changes the directional navigation if we don't reduce the bounding box
if (isSelected)
{
Binding binding = new Binding("Margin");
binding.Source = tabItem;
BindingOperations.SetBinding(tabItem, KeyboardNavigation.DirectionalNavigationMarginProperty, binding);
}
else
{
BindingOperations.ClearBinding(tabItem, KeyboardNavigation.DirectionalNavigationMarginProperty);
}
tabItem.UpdateVisualState();
}
/// <summary>
/// IsSelected changed handler
/// </summary>
/// <param name="d">TabItem that changed IsSelected.</param>
/// <param name="e">DependencyPropertyChangedEventArgs.</param>
private static void OnIsSelectedChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
TabItem tabItem = d as TabItem;
Debug.Assert(tabItem != null);
bool isSelected = (bool)e.NewValue;
RoutedEventArgs args = new RoutedEventArgs();
if (isSelected)
{
tabItem.OnSelected(args);
}
else
{
tabItem.OnUnselected(args);
}
// fire the IsSelectedChanged event for automation
if (AutomationPeer.ListenerExists(AutomationEvents.SelectionItemPatternOnElementSelected))
{
TabControl parentSelector = tabItem.TabControlParent;
if (parentSelector != null)
{
TabItemAutomationPeer tabItemPeer = GetTabItemAutomationPeer(tabItem);
if (tabItemPeer != null)
{
tabItemPeer.RaiseAutomationIsSelectedChanged(isSelected);
}
}
}
tabItem.IsTabStop = isSelected;
tabItem.UpdateVisualState();
}
