在屏幕录像模块的主窗体中，用户可以设置录像文件名和存储位置，并可以进行屏幕录像和抓图，还可以对已有录像文件进行播放、重命名、另存为、查看时间和删除等操作。-In the main window screen recording module, the user can set the video file name and storage location, and can be screen video and capture, video files can be played on exi