桌面悬浮窗，实现类似于迅雷，flashget软件的桌面悬浮窗效果，并能够实现悬浮窗透明效果以及右键菜单添加，对于开发软件功能扩展十分有用。-Desktop floating window, to achieve similar Thunder, flashget software floating windows desktop effects, and to achieve transparency and floating window context menu to add, for th