public: DependencyProperty WindowTitleProperty = DependencyProperty.Register( "WindowTitle", typeof(string), typeof(RibbonWindowBorder), new FrameworkPropertyMetadata( "", FrameworkPropertyMetadataOptions.AffectsRender, OnTitleChanged));

public static readonly DependencyProperty WindowTitleProperty = DependencyProperty.Register( "WindowTitle", typeof(string), typeof(RibbonWindowBorder), new FrameworkPropertyMetadata( "", FrameworkPropertyMetadataOptions.AffectsRender, OnTitleChanged));

Public static readonly WindowTitleProperty As DependencyProperty = DependencyProperty.Register( "WindowTitle", typeof(string), typeof(RibbonWindowBorder), new FrameworkPropertyMetadata( "", FrameworkPropertyMetadataOptions.AffectsRender, OnTitleChanged))