Datasource.CreateTraceAddressInfoWriter (METH)

METHOD CreateTraceAddressInfoWriter : IDatasources.ITraceAddressInfoWriter

Creates an instance of ITraceAddressInfoWriter, that is able to write the address info for a given variable. .. note:: The returned ITraceAddressInfoWriter must be released by calling ReleaseTraceAddressInfoWriter

InOut:

Scope

Name

Type

Comment

Return

CreateTraceAddressInfoWriter

IDatasources.ITraceAddressInfoWriter
An ITraceAddressInfoWriter instance containing the address of the passed symbol.

If the underlying IDriver does not support this feature 0 is returned.

Input

psSymbol

POINTER TO STRING

The symbol for which the address has to be determined.

Output

udiResult

UDINT
Returns an error code

  • ERR_OK: In case of success

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

  • ERR_PARAMETER: psSymbol is invalid

  • ERR_NOTIMPLEMENTED: Required interface is not implemented by the driver

  • ERR_NO_OBJECT: If the data item was not found