RequestEventClassName

This method returns the name of the event class.

Syntax

METHOD RequestEventClassName : BOOL
VAR_INPUT
    nLangId     : DINT;
    sResult     : REFERENCE TO STRING;
    nResultSize : UDINT;
END_VAR
VAR_OUTPUT
    bError      : BOOL;
    hrErrorCode : HRESULT;
END_VAR

Inputs

Name	Type	Description
nLangId	DINT	Specifies the language ID English (en-US) = 1033 German (de-DE) = 1031 …
sResult	REFERENCE TO STRING	Reference to a variable of the type String
nResultSize	UDINT	Size of the String variable in bytes

Name

Type

Description

nLangId

DINT

Specifies the language ID

English (en-US) = 1033
German (de-DE) = 1031
…

sResult

REFERENCE TO STRING

Reference to a variable of the type String

nResultSize

UDINT

Size of the String variable in bytes

Return value

Name	Type	Description
RequestEventClassName	BOOL	Returns TRUE as soon as the request has been terminated. Returns FALSE if the asynchronous request is still active. The method must be called until the return value is TRUE.

Outputs

Name	Type	Description
bError	BOOL	Returns FALSE if the method call was successful. Returns TRUE if an error has occurred.
hrErrorCode	HRESULT	Returns S_OK if the method call was successful. An error code is output in case of an error.