遍历选中的文件夹，找出多媒体文件，显示在框中（包括隐藏文件）-Traverse the selected folder, find the multimedia files to show in the box [including hidden files]

简单的播放器。能实现拖放播放,遍历文件夹里的所有视频文件。-Simple player.It Can achieve drag and drop play.Traversing all the video files in the folder