'Declaration

<DescriptionAttribute("The red gamma value.")>
<DefaultValueAttribute(1)>
Public Property RedGamma As Double

[Description("The red gamma value.")]
[DefaultValue(1)]
public double RedGamma { get; set; }

[Description("The red gamma value.")]
[DefaultValue(1)]
public: __property double get_RedGamma();
public: __property void set_RedGamma(
   double value
);

[Description("The red gamma value.")]
[DefaultValue(1)]
public:
property double RedGamma {
   double get();
   void set(double value);
}

1 - the command will NOT apply the gamma correction to the red channel of image; other value - the command will apply the gamma correction to the red channel of image.
Default value is 1.