How to read the content of a text list from the IEC code?

[DominikSchaefer]

This feature requires the WebVisu object (VISU_TASK) and the library TextListUtils to execute the relevant functions.

The example code shown below, needs to be executed in a low priority task with long cycle time (e.g. prio 25 and 500ms cycle time) to avoid performance issues.
Depending on the selected variable values udiLanguage, sID and sTextList the selected text list content will be returned by the function LTU.ReturnValues.

PROGRAM Get_Text_from_Textlist
VAR
    udiLanguage :UDINT :=1;
    sID :STRING :='1';
    sTextList :STRING :='TextList1';
    wsResult :WSTRING;
    retVal :TLU.ReturnValues;
END_VAR

CASE udiLanguage OF
    0: //Default - English
        CmpDynamicText.DynamicTextChangeLanguage(stLanguage := 'Default');
    1: //German
        CmpDynamicText.DynamicTextChangeLanguage(stLanguage := 'de');
    2: //French
        CmpDynamicText.DynamicTextChangeLanguage(stLanguage := 'fr');
END_CASE:

retVal:=TLU.GetTextW(pwsText := ADR(wsResult), diSize := SIZEOF(wsResult), sTextList := sTextList, sTextIndex:=sID);