'Declaration

<DefaultValueAttribute(0)>
<DescriptionAttribute("Adjustment method of bars width.")>
<CategoryAttribute("Common")>
Public Property BarsWidthAdjustment As Double

[DefaultValue(0)]
[Description("Adjustment method of bars width.")]
[Category("Common")]
public double BarsWidthAdjustment { get; set; }

[DefaultValue(0)]
[Description("Adjustment method of bars width.")]
[Category("Common")]
public: __property double get_BarsWidthAdjustment();
public: __property void set_BarsWidthAdjustment(
   double value
);

[DefaultValue(0)]
[Description("Adjustment method of bars width.")]
[Category("Common")]
public:
property double BarsWidthAdjustment {
   double get();
   void set(double value);
}

From -0.3 to 0 - white bars will be expanded, black bars will be shrunk,
0 - no effect,
from 0 to 0.3 - white bars will be shrunk, black bars will be expanded.