qt - 如何访问通过 Loader 加载的 qml 页面的公共(public)属性？

Question

AA.qml

Item
{
    id:             drawLinesOnC

    property string  lineColour
    property int     lineDrawingSourceType
    property variant startEndPointArray

}

main.qml

Loader
{
   id:     drawLineLoaderA
   source: "AA.qml"
}

-

如何访问 AA.qml 的公共(public)属性通过 Loader drawLineLoaderA 加载的页面?

Answer 1

解决方法如下:

drawLineLoaderA.source = "DrawLineLoader.qml"
if (drawLineLoaderA.status == Loader.Ready)
{
    if (drawLineLoaderA.item && drawLineLoaderA.item.lineColour)
    {
        drawLineLoaderA.item.lineColour            = "black"
        drawLineLoaderA.item.lineDrawingSourceType = 2 
    }
}