'Declaration

<DefaultValueAttribute(True)>
<DescriptionAttribute("A value indicating whether the command should detect border in image.")>
Public Property DetectBorder As Boolean

[DefaultValue(True)]
[Description("A value indicating whether the command should detect border in image.")]
public bool DetectBorder { get; set; }

[DefaultValue(True)]
[Description("A value indicating whether the command should detect border in image.")]
public: __property bool get_DetectBorder();
public: __property void set_DetectBorder(
   bool value
);

[DefaultValue(True)]
[Description("A value indicating whether the command should detect border in image.")]
public:
property bool DetectBorder {
   bool get();
   void set(bool value);
}

true - command detects the border, clears the image border and only after this determines the rotation angle; false - command determines the rotation angle on source image. Default value is true.