设计完整的界面，并在TreeView控件中显示当前文件夹下所有文件和文件夹，并在ListView控件中实时显示，并能对文件和文件夹实现一系列操作。-Design complete interface, and displays the current folder all the files and folders in the TreeView control, and real-time display in the ListView control, and is able to achi