How can i set zIndex for Scrollview?

Question

I have stack of ScrollViews which has a list of surfaces within it.

I need to stack the scrollviews properly. But for stacking surfaces im able to do it by zIndex property ?

But im not able to set zIndex property for ScrollView ?

this works

    this.surface.setProperties({
        zIndex: index
    });

this doesn't

    this.scrollview.setProperties({
        zIndex: index
    });

Whats an equivalent function to set zIndex for scrollview.

Thanks.

Answer 1

i used a containersurface to set the zindex .. it worked ..

this.scrollContainer = new ContainerSurface({
    size:[undefined,undefined],
    properties: { overflow: 'hidden', 'z-index': 5 }
});
this.scrollContainer.add(this.scrollview);

containerSurface we can set properties ..