| 头: | #include <PropertyPair> | 
| qmake: | QT += qml | 
| Since: | Qt 5.11 | 
| QString | name | 
| QVariant | value | 
						This struct contains a property name and a property value. It is used as a parameter for the
						
setContextProperties
						
						函数。
					
另请参阅 QQmlContext::setContextProperties ().