/// public class CHCNetSDK { public CHCNetSDK() { } //SDK类型 public const int SDK_PLAYMPEG4 = 1;//播放库 public const int SDK_HCNETSDK = 2;//网络库 public const int NAME_LEN = 32;//用户名长度 public const int PASSWD_LEN = 16;//密码长度 public const int GUID_LEN = 16; /...