public: DependencyProperty LeftWidthProperty = DependencyProperty.Register( "LeftWidth", typeof(double), typeof(RibbonTabControl), new FrameworkPropertyMetadata( 0d, FrameworkPropertyMetadataOptions.AffectsRender | FrameworkPropertyMetadataOptions.AffectsMeasure));

public static readonly DependencyProperty LeftWidthProperty = DependencyProperty.Register( "LeftWidth", typeof(double), typeof(RibbonTabControl), new FrameworkPropertyMetadata( 0d, FrameworkPropertyMetadataOptions.AffectsRender | FrameworkPropertyMetadataOptions.AffectsMeasure));

Public static readonly LeftWidthProperty As DependencyProperty = DependencyProperty.Register( "LeftWidth", typeof(double), typeof(RibbonTabControl), new FrameworkPropertyMetadata( 0d, FrameworkPropertyMetadataOptions.AffectsRender | FrameworkPropertyMetadataOptions.AffectsMeasure))