GetVariableName

Callback function which is called if a variable is changed in the CODESYS Visu.

Here the name of the variable must be returned for a valid database entry.

C++

METHOD GetVariableName : STRING(255)
VAR_INPUT
    pAddr : DWORD;
END_VAR

Parameter	Beschreibung:
pAddr	Address of the changed variable. If an empty string is returned, no entry is written to the database.

Return Values	Description
GetVariableName	Variable name for the associated address

See: AuditTrailSample.project