16 #ifndef QGSOPTIONALEXPRESSION_H 17 #define QGSOPTIONALEXPRESSION_H 20 #include "qgsexpression.h" 22 #include "qgis_core.h" 69 void writeXml( QDomElement &element );
76 void readXml(
const QDomElement &element );
87 #endif // QGSOPTIONALEXPRESSION_H
An expression with an additional enabled flag.
QgsOptional is a container for other classes and adds an additional enabled/disabled flag...