static FloatingDockablePane()
{
//DefaultStyleKeyProperty.OverrideMetadata(typeof(FloatingDockablePane), new FrameworkPropertyMetadata(typeof(FloatingDockablePane)));
//by design avoid style change
ShowHeaderProperty.OverrideMetadata(typeof(FloatingDockablePane), new FrameworkPropertyMetadata(false));
}
set => SetValue(ShowHeaderProperty, value);
static FloatingDocumentPane()
{
ShowHeaderProperty.OverrideMetadata(typeof(FloatingDocumentPane), new FrameworkPropertyMetadata(false));
}