[NgapWei]

As far as I know, QVariantList and QVariantMap can convert to js array and js object, but that mean

qml part need to copy the data of js to c++, and c++ need to copy the data of js back to the qml. For small data,

this is not a problem. What if the data is quite big?Like millions of data need to process by c++ and display by the TableView of qml

Anyway to avoid copy but passing reference between c++ and qml?Thanks

[GüntherFelgo Team]

Hi,

I am not sure if there is a way to avoid converting QML/C++ types when passing data between QML and C++.
But I guess you can create a custom ListModel based on QAbstractListModel and use it as the model for your QML view. This way the view can only access the visible/relevant parts of your data through the list model without having to pass huge arrays.

This is just a guess though, I recommend to maybe ask about this in the official qt forums.
I’m sure they can provide better and more detailed answers there.

Best,
Günther