Driver.CreateTraceAddressInfoWriter (METH)¶

METHOD CreateTraceAddressInfoWriter : IDatasources.ITraceAddressInfoWriter

Determines an IDataItem’s address, that can be used for tracing with CmpTraceMgr and creates and returns a corresponding ITraceAddressInfoWriter instance.

InOut:

Scope

Name

Type

Comment

Return

CreateTraceAddressInfoWriter

IDatasources.ITraceAddressInfoWriter

An ITraceAddressInfoWriter instance containing the address of the passed data item.

Input

itfDataItem

IDatasources.IDataItem

The IDataItem

Output

udiResult

UDINT
Returns an error code

  • ERR_OK: In case of success

  • ERR_NOTINITIALIZED: Method was called, before the driver was initialized

  • ERR_PARAMETER: itfDataItem is invalid

  • ERR_NOTIMPLEMENTED: When trying to resolve a WSTRING variable name

  • ERR_NO_OBJECT: If the data item was not found

  • ERR_NOMEMORY: If there is no memory to alloc the returned instance