StringNumber
Zero-based index of the line to retrieve. Can be set to -1 to retrieve the current line
(
see this article regarding the -1 value).
StringText
Pointer to line data. Cannot be modified. Note, that line data is not a zero-terminated string and can contain ASCII NULL-s.
StringEOL
End-of-line sequence. Can be the empty string, \r\n or \n
StringLength
Size of data pointed to by StringText.
SelStart
Start position of selection in the line. If line doesn't contain selection this field has a value of -1.
SelEnd
End position of selection in the line. If selection includes the StringEOL sequence this field has a value of -1.