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Procedure OnMouseWheel(Var Msg :TMsg;var Handled:Boolean);
begin
  if Msg.message = WM_MouseWheel then
  begin
    if Msg.wParam > 0 then
     begin
       if DBGrid.Focused then
       begin
         SendMessage(DBGrid1.Handle,WM_KEYDOWN,VK_UP,0);
       end;
     end
    else
     begin
       if DBGrid.Focused then
         SendMessage(DBGrid1.Handle,WM_KEYDOWN,VK_DOWN,0);
     end;
    Handled:= True;
  end;
end;
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Application.OnMessage:=OnMouseWheel; // ½Ø»ñÊó±ê¹ö¶¯Ê¼þ


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unit Unit1;
interface
uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;
type
  T3DPoint = record
    X, Y, Z: Doub ......

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private function getfile(filelist:File):Array{  
  var list:Array = filelist.getDirectoryListing();
  var count:uint=list.length;
  ......

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