IAC500DiagGet.DiagGetPrevValAndTxtExt (METH)

METHOD DiagGetPrevValAndTxtExt : AC500_DiagTypes.ERROR_ID

Get previous diagnosis regarding device, numeric and textual

InOut:

Scope	Name	Type	Initial	Comment
Return	DiagGetPrevValAndTxtExt	AC500_DiagTypes.ERROR_ID
Inout	DataVal	AC500_DiagTypes.DIAG_VAL_TYPE		variable to write data to
	DataTxt	AC500_DiagTypes.DIAG_TXT_TYPE		variable to write text to
Input	pExt	POINTER TO BYTE	0	address of buffer to copy extended data to
	Size	WORD	0	size of buffer to copy extended data to
Inout	Length	WORD	0	size of extended data copied to buffer