I created a new Qt Quick Controls 2 Application project.Then I added TreeView component as Page's children in SwipeView,just like below:

 SwipeView {
        id: swipeView
        anchors.fill: parent
        currentIndex: tabBar.currentIndex

        Page {
            TreeView{

            }
        }
        Page {
            Label {
                text: qsTr("Second page")
                anchors.centerIn: parent
            }
        }
    }

According to Qt's document about TreeView,the main.qml already had import statement to use TreeView,but when I ran this project,it printed "TreeView is not a type".How should I do with this situation?