static RibbonTab()
{
Type ownerType = typeof(RibbonTab);
IsEnabledProperty.OverrideMetadata(ownerType, new FrameworkPropertyMetadata(new PropertyChangedCallback(OnIsEnabledChanged)));
DefaultStyleKeyProperty.OverrideMetadata(ownerType, new FrameworkPropertyMetadata(ownerType));
ItemsPanelProperty.OverrideMetadata(ownerType, new FrameworkPropertyMetadata(new ItemsPanelTemplate(new FrameworkElementFactory(typeof(RibbonGroupsPanel)))));
HeaderProperty.OverrideMetadata(ownerType, new FrameworkPropertyMetadata(new PropertyChangedCallback(OnHeaderChanged)));
VisibilityProperty.OverrideMetadata(ownerType, new FrameworkPropertyMetadata(Visibility.Visible, new PropertyChangedCallback(OnVisibilityChanged), new CoerceValueCallback(CoerceVisibility)));
HeaderTemplateProperty.OverrideMetadata(ownerType, new FrameworkPropertyMetadata(new PropertyChangedCallback(OnNotifyHeaderPropertyChanged), new CoerceValueCallback(CoerceHeaderTemplate)));
HeaderTemplateSelectorProperty.OverrideMetadata(ownerType, new FrameworkPropertyMetadata(new PropertyChangedCallback(OnNotifyHeaderPropertyChanged)));
HeaderStringFormatProperty.OverrideMetadata(ownerType, new FrameworkPropertyMetadata(new PropertyChangedCallback(OnNotifyHeaderPropertyChanged)));
FocusableProperty.OverrideMetadata(ownerType, new FrameworkPropertyMetadata(false));
EventManager.RegisterClassHandler(ownerType, KeyTipService.ActivatingKeyTipEvent, new ActivatingKeyTipEventHandler(OnActivatingKeyTipThunk));
EventManager.RegisterClassHandler(ownerType, KeyTipService.KeyTipAccessedEvent, new KeyTipAccessedEventHandler(OnKeyTipAccessedThunk));
KeyTipService.KeyTipProperty.OverrideMetadata(ownerType, new FrameworkPropertyMetadata(new PropertyChangedCallback(OnKeyTipChanged)));
}
set => SetValue(HeaderTemplateProperty, value);
