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SimpleLabelExpression Class

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)

Create 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)

Create 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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