UI Components: Scroll Bar Example

文件：

• declarative/ui-components/scrollbar/scrollbar.svg
• declarative/ui-components/scrollbar/qml/scrollbar/ScrollBar.qml
• declarative/ui-components/scrollbar/qml/scrollbar/main.qml
• declarative/ui-components/scrollbar/main.cpp
• declarative/ui-components/scrollbar/scrollbar.pro
• declarative/ui-components/scrollbar/scrollbar.qmlproject