| const TInt | KSensrvVendorIdLength | 
Max length of the vendor Id
TSensrvChannelInfo
| const TInt | KSensrvLocationLength | 
Max length of the location string
TSensrvChannelInfo
| const TInt | KSensrvItemIndexNone | 
Item index for properties that are not data item specific
| typedef TUint32 | TSensrvChannelId | 
Type definition for a channel id used by TSensrvChannelInfo. Its value is assigned by the Sensor Server and uniquely identifies a channel for the client session. When the client session has ended the channel id is no longer valid.
TSensrvChannelInfo
CSsyControl
MSsyCallback
MSsyChannelDataProvider
MSsyPropertyProvider
| typedef TUint32 | TSensrvChannelTypeId | 
Type definition for a channel type used by TSensrvChannelInfo. This id identifies the type of channel * that the object represents and therefore the content of the channel. This value is a uid and is unique among all channels. See sensor channel specific header files. A client can use this value as one of the search criteria when finding channels.
TSensrvChannelInfo
| typedef TUint32 | TSensrvChannelDataTypeId | 
Typedef for datatype Id used by TSensrvChannelInfo. This identifies the data type for the data that the channel provides. This value is a uid and is unique among all channels. See sensor channel specific header files.
TSensrvChannelInfo
| const TSensrvChannelTypeId | KSensrvChannelTypeIdUndefined | 
Undefined Channel id for use when finding channels
CSensrvChannelFinder