findChild was created long before Digia took over QtAnyway, the fact that a method exists doesn't automatically mean it should be used for things you are trying to use it for. My point is that in a general case you shouldn't "extract" items from a Qt Quick scene into C++.
You should rather expose your data model to Qt Quick and connect your items to the data model there.Right now I use this code, so I can update qml properties on a touch screen display module. Data comes in over a serial port and depending upon the data I update a property in qml.
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