File list (Check if you may need any files):
电子白板
........\Encode.java
........\WBFrame.java
........\WBUser.java
........\whiteboard
........\..........\Encode.class
........\..........\WBFrame$1.class
........\..........\WBFrame$2.class
........\..........\WBFrame$3.class
........\..........\WBFrame$4.class
........\..........\WBFrame$5.class
........\..........\WBFrame$6.class
........\..........\WBFrame$newMouseMotionListener.class
........\..........\WBFrame.class
........\..........\WBUser.class