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´ÙÀ½ ÄÚµå·Î Test ÇØ º¸¼¼¿ä.
function Copy2(const Src:String; Index, Len :integer ) : String;
var n : integer;
begin
n := Length(Src);
if n <= Len then Len := n;
if not (ByteType(Src, Index) in [mbSingleByte, mbLeadByte]) then inc(index);
if Index + Len - 1 < n then n := Index + Len - 1;
if not (ByteType(Src, n) in [mbSingleByte, mbTrailByte]) then dec(Len);
Result := copy(Src, Index, Len);
end; 2020-05-18 ¿ÀÀü 11:34:18
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