public: DependencyProperty ContentBorderMarginProperty = DependencyProperty.Register( "ContentBorderMargin", typeof(Thickness), typeof(RibbonWindowBorder), new FrameworkPropertyMetadata( new Thickness(), FrameworkPropertyMetadataOptions.AffectsRender));

public static readonly DependencyProperty ContentBorderMarginProperty = DependencyProperty.Register( "ContentBorderMargin", typeof(Thickness), typeof(RibbonWindowBorder), new FrameworkPropertyMetadata( new Thickness(), FrameworkPropertyMetadataOptions.AffectsRender));

Public static readonly ContentBorderMarginProperty As DependencyProperty = DependencyProperty.Register( "ContentBorderMargin", typeof(Thickness), typeof(RibbonWindowBorder), new FrameworkPropertyMetadata( new Thickness(), FrameworkPropertyMetadataOptions.AffectsRender))