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delphi Êý×éÈçºÎ¶¯Ì¬Ôö¼Ó

//ÏÂÃæÊÇÒ»¼Ç¼£¬ÈýÎ¬×ø±ê
type
  Tposition  = record
    x:integer;
    y:integer;
    z:integer;
  end;

//======ÏÂÃæÊÇÒªÔÚÒ»¸öÑ­»·Öж¯Ì¬µØÔö¼ÓÈýÎ¬×ø±êÊý¾ÝµÄ³¤¶È
//ÇëÎÊÈçºÎд»á¸ßЧ¡£
produce getposition(Sender: TObject)
var

position:array of record;

begin
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  for i =A to B do
    if k then
      positionÔö¼ÓÒ»¸öC£¨xc,yc,zc)µÄÊý;  //ÕâÀïÈçºÎд£¿
¡£¡£¡£
end;

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SetLength

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  ¾ßÌåÈçºÎд£¿
  ÿ´Î¶¼ÓÃsetlength?

SetLength(Length(position)+1)

position:array of record; //Ã²ËÆÓ¦µ±ÊÇposition:array of Tposition;
____________
SetLength(position, Length(position) + 1);
with position[Length(position) - 1] do
begin
  x := xc;
  y := yc;
  z := zc;
end;



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function RB(A: longint): longint;
begin
  Result := (A shr 24) or ((A shr 8) and $FF00) or ((A shl 8) and $FF0000) or (A shl 24);
end;


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SQL.Add('SELECT formula,val(DMAF) as i from Åä·½Õï¶Ï±í where 1=1 and formula ='''+Combobox3.Text+''' and formula ='''+Combobox4.Text+'''');
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