StaticVariable struct
Single variable definition for use within a QgsExpressionContextScope.
Contents
Constructors, destructors, conversion operators
- StaticVariable(const QString& name = QString(), const QVariant& value = QVariant(), bool readOnly = false, bool isStatic = false, const QString& description = QString())
- Constructor for StaticVariable.
Public variables
- QString description
- Translated description of variable, for use within expression builder widgets.
- bool isStatic
- A static variable can be cached for the lifetime of a context.
- QString name
- Variable name.
- bool readOnly
- True if variable should not be editable by users.
- QVariant value
- Variable value.
Function documentation
QgsExpressionContextScope::
Constructor for StaticVariable.
| Parameters | |
|---|---|
| name | variable name (should be unique within the QgsExpressionContextScope) |
| value | initial variable value |
| readOnly | true if variable should not be editable by users |
| isStatic | true if the variable will not change during the lifteime of an iterator. |
| description | optional translated description of variable, for use in expression builder widgets |