IVIO_EnumDiagnosticEntry::Seek

This method seeks the entry in the diagnostic entry enumeration list with the identifier that matches the value of nItem.

Syntax

HRESULT IVIO_EnumDiagnosticEntry::Seek ( DWORD nItem );

Parameters

nItemId

[in] Identifier of the vehicle diagnostic entry collection member to seek. It is one of the following values:

VIODIAGENTRY_LAMP_FLAG

VIODIAGENTRY_SAE_CODE

VIODIAGENTRY_SUBSYSTEM

VIODIAGENTRY_SYSTEM

Return Values

S_OK indicates that the application retrieved the diagnostic entry successfully. Enumerator is set to position of given diagnostic entry. S_FALSE indicates that the enumerator position is unchanged.

Remarks

The information specified in the item value identifiers is contained in a VT_UI4 data type, which is an unsigned long integer. The long integer contains information associated with one of the following item value identifiers:

VIODIAGENTRY_SYSTEM

Specifies the vehicle system returning the diagnostic information. It is one of the following values:

VIOTC_SYS_BODY

VIOTC_SYS_CHASSIS

VIOTC_SYS_NETWORK

VIOTC_SYS_POWERTRAIN

VIOTC_SYS_UNKNOWN

VIODIAGENTRY_SUBSYSTEM

Specifies the generic vehicle subsystem value. It can be one of the following values:

For power train subsystems:

VIOTC_AUX_EMISSION_CONTROL

VIOTC_FUEL_AIR_METERING

VIOTC_IGNITION_SYSTEM_OR_MISFIRE

VIOTC_TRANSMISSION

VIOTC_VEHSPEED_IDLE_AUXINPUTS

For chassis subsystems:

VIOTC_ANTILOCK_BRAKES

VIOTC_STEERING

VIOTC_SUSPENSION

VIOTC_TRACTION_CONTROL

For body subsystems:

VIOTC_ANTI_THEFT

VIOTC_CLIMATE_CONTROL

VIOTC_INSTRUMENT_PANEL

VIOTC_LIGHTING_CONTROL

VIOTC_MEMORY_SEATS_MIRROR

VIOTC_SUPPLEMENTAL_RESTRAINTS

VIOTC_TRIP_COMPUTER

For an unknown subsystem, use VIOTC_SUBSYSTEM_OTHER.

VIODIAGENTRY_SAE_CODE

Specifies the standard diagnostic trouble code value defined by the Society of Automotive Engineers (SAE).

VIODIAGENTRY_LAMP_FLAG

Specifies the flag to show if this diagnostic code activated a malfunction indicator lamp on the instrument panel.