提供给用户一个主界面，主界面包括菜单项，工具条，媒体类型选择区，列表区，显示区域,,用户列表区和控制条。

主窗体全部功能如下：

1.　　实现应用程序的关闭

2.　　可以选择媒体类型(音乐、图片、视频)，按照媒体类型显示区的下拉框选择分类并在右侧显示区显示或按照所选列表区的选择在右侧显示。

-Available to users in a main interface, the main interface, including menu items, tool bar, the media type selection area, a list of area, display area, the user list of the district and control article. Main form all of the features are as follows: 1. The realization of the closure of applications 2. Can choose the media type (music, pictures, video), in accordance with the media types display the drop-down box to select categories and display on the right show or in accordance with the selected a list of areas to choose the right show.