[C1Description("ChartSymbolStyle.OutlineWidth", "The outline width of the data piont symbol, in twips.")]
[TypeConverter(typeof(PageUnitConverter))]
public double OutlineWidth { get; set; }

<C1Description("ChartSymbolStyle.OutlineWidth", "The outline width of the data piont symbol, in twips.")>
<TypeConverter(GetType(PageUnitConverter))>
Public Property OutlineWidth As Double