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SimpleLabelExpression Class

  • SimpleLabelExpression
  • class Esri::ArcGISRuntime::SimpleLabelExpression

    An expression script using the Simple REST language. More...

    Header: #include <SimpleLabelExpression>
    Since: Esri::ArcGISRuntime 100.11
    Inherits: Esri::ArcGISRuntime::LabelExpression

    This class was introduced in Esri::ArcGISRuntime 100.11.

    Public Functions

    SimpleLabelExpression(const QString &simpleExpression, QObject *parent = nullptr)
    SimpleLabelExpression(QObject *parent = nullptr)
    virtual ~SimpleLabelExpression() override

    Detailed Description

    The label Simple expression expects to hold a legal, Simple script and to be read and evaluated by a Simple expression interpreter. An example expression that combines text with a field value is

    "State: " CONCAT [State_Name]

    Note that quotes are needed around the literal text. See https://developers.arcgis.com/documentation/common-data-types/labeling-objects.htm for full documentation on the <b>labelExpression</b> syntax and functions.

    Member Function Documentation

    SimpleLabelExpression::SimpleLabelExpression(const QString &simpleExpression, QObject *parent = nullptr)

    Creates a label Simple expression with a specific Simple script.

    • simpleExpression - The Simple expression script string.
    • parent - The optional parent QObject.

    The expression is expected to be a complete, self-contained Simple expression.

    SimpleLabelExpression::SimpleLabelExpression(QObject *parent = nullptr)

    Creates a label Simple expression with an empty expression script.

    • parent - The optional parent QObject.

    An empty script is a legal Simple expression that will evaluate to an empty string.

    [override virtual] SimpleLabelExpression::~SimpleLabelExpression()

    Destructor.

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