ArcadeLabelExpression QML Type

An expression script using the Arcade language. More...

Import Statement: import Esri.ArcGISRuntime
Since: Esri.ArcGISRuntime 100.11




Detailed Description

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

"State: " + $feature.State_Name

Note that quotes are needed around the literal text. See for full documentation on the Arcade scripting language and its function library.

This QML type supports the following default properties. A default property may be declared inside another declared object without being assigned explicitly to a property.

TypeDefault Property

Property Documentation

[default] arcadeExpression : ArcadeExpression

An ArcadeExpression containing the Arcade expression script to use.

The expression is expected to be a complete, self-contained Arcade script that calculates a text string.

The ArcadeExpression::expression property of arcadeExpression is the same script string as LabelExpression::expression. Changing one will change the other.

Signal Documentation


Emitted when the arcadeExpression property changes.

Note: The corresponding handler is onArcadeExpressionChanged.

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