ArcGIS Pro 3.1 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / RulePackageAttribute Class
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    RulePackageAttribute Class
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    Represents a rule package attribute and any associated annotations.
    Syntax
    public sealed class RulePackageAttribute 
    Public NotInheritable Class RulePackageAttribute 
    Remarks
    A rule package attribute instance contains its name, value, and type along with a collection of any associated Annotations read from the City Engine rule file (please see below).
    Note: CGA annotations can be referenced here:

    Notes on Annotations:
    @Angle, @Color, @Distance, @Percent
    If present in the collection, they have no value @Hidden
    Attributes annotated with @Hidden are not retrieved from the Rule Package.
    @File and @Directory
    Attributes annotated with @File or @Directory are not retrieved from the Rule Package. They are not supported for renderers. @Handle
    @Handle is not retrieved. @In and @Out
    @In and @Out are not retrieved. @In is reflected in the
    RulePackageDescription.GeometryType. An @Out is implicitly always combinedShape. A value of separatedShapes for @Out is not supported. @Group with index
    When an order index is added to a @Group ~that~ group order index is added as a GroupOrder key/value.
    @Range
    @Ranges can be numeric or a domain of specific values. Check the RangeType key. It will be one of "Range | Domain".
    @StartRule
    @StartRule is not retrieved.
    Annotation keys:

    • Angle : if present indicates attribute was annotated with @Angle. No value (empty string)
    • Color : if present indicates attribute was annotated with @Color. No value (empty string)
    • Distance : if present indicates attribute was annotated with @Distance. No value (empty string)
    • Description : if present indicates attribute was annotated with @Description. The description, if any
    • Group : if present indicates attribute was annotated with @Group. A string containing the comma-separated group values
    • GroupOrder : if present indicates the @Group contained an index. An integer 0 or greater
    • Order : if present indicates attribute was annotated with @Order. An integer 0 or greater.
    • Percent: if present indicates attribute was annotated with @Percent. No value (empty string)
    • Range : if present indicates attribute was annotated with @Range. A string containing the comma-separated range values
    • RangeMin : if present indicates the @Range was numeric, RangeType = "Range". A double, the minimum range value
    • RangeMax : if present indicates the @Range was numeric, RangeType = "Range". A double, the maximum range value
    • RangeType : if present indicates the original @Range type. One of "Range | Domain"
    Inheritance Hierarchy

    System.Object
       ArcGIS.Desktop.Mapping.RulePackageAttribute

    Requirements

    Target Platforms: Windows 11, Windows 10

    ArcGIS Pro version: 3.0 or higher.
    See Also