QML 下拉列表框的使用

世界上一成不变的东西，只有“任何事物都是在不断变化的”这条真理。 —— 斯里兰卡

ComboBox {
                        id:combox
                        x: structureTab_label2.x+structureTab_label2.width+5
                        y: structureTab_label2.y
                        currentIndex: 0
                        model: ListModel {
                            id: cbItems
                            ListElement { text: "当前节点前"; color: "Yellow" }
                            ListElement { text: "当前节点后"; color: "Green" }
                        }
                        width: 160
                        onCurrentIndexChanged: {
                            if(currentIndex==0){
                                console.debug(cbItems.get(currentIndex).text + ", " + cbItems.get(currentIndex).color)
                                console.debug("0")
                            }
                            if(currentIndex==1){
                                 console.debug("1")
                            }
                        }
        }

It Provides a drop-down list functionality. 

Import Statement: import QtQuick.Controls 1.4
Since: Qt 5.1

Inherits（继承）:FocusScope