GetTextWNonBlocking (FUN)

FUNCTION GetTextWNonBlocking : ReturnValues

This function returns the language specific text of a textlist as WSTRING. To retrieve real unicode strings the parameter “Use Unicode strings” must be activated in the visualization manager. This function does not block and returns the error ReturnValues.ERR_LOCKED if access to the text was not possible at the current time. To obtain the text, the function must be called until ReturnValues.ERR_OK is returned.

InOut:

Scope	Name	Type	Comment
Return	GetTextWNonBlocking	ReturnValues	Possible last error values: ERR_LOCKED ERR_INSUFFICIENT_BUFFER ERR_PARAMETER ERR_FAILED ERR_OK see ReturnValues (ENUM) where possible error reasons are described.
Inout Const	sTextList	STRING	The textlist name
	sTextIndex	STRING	The textlist id
Input	pwsText	POINTER TO WSTRING	The buffer where the result text should be returned
	diSize	DINT	The size of the parameter psText in byte (SIZEOF() can be used)
Output	bDefaultText	BOOL	Indicates if the default text is used