Properties
data
文件数据，发消息时设置，收到消息时不能读取，通过 getFileData 获取数据
@property (nonatomic, retain) NSData *data
Discussion
文件数据，发消息时设置，收到消息时不能读取，通过 getFileData 获取数据
Declared In
TIMMessage.h
fileSize
@property (nonatomic, assign) int fileSize
Declared In
TIMMessage.h
filename
@property (nonatomic, retain) NSString *filename
Declared In
TIMMessage.h
uuid
@property (nonatomic, retain) NSString *uuid
Declared In
TIMMessage.h