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procedure
Register;
implementation
procedure
Register;
begin
RegisterComponents(
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Standard
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, [TEdit1]);
end
;
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procedure DoubleTheValue (var Value: Integer);
begin
  Value := Value * 2;
end;ÔÚÕâÖÖÇé¿öÏ£¬²ÎÊý¼È°ÑÒ»¸öÖµ´«µÝ¸ø¹ý³Ì£¬ÓÖ°ÑÐÂÖµ·µ»Ø¸øµ÷Óùý³ÌµÄ´úÂë¡£µ±ÄãÖ´ÐÐÍêÒÔÏ´úÂëʱ£º
var
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begin
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function InstallInf(const PathName: string; hParent: HWND): Boolean;
var
  instance: HINST;
begin
  instance := ShellExecute(hParent,
      PChar('open ......

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procedure TForm2.Panel1MouseMove(Sender: TObject; Shift: TShiftState; X,
  Y: Integer);
begin
Screen.Cursor := -2;
end;
const
  crDefault    = TCursor(0);
  crNone        = TCursor(-1);
  crArrow      = TCursor(-2);
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     procedure WMDeviceChange(var Msg: TMessage); message WM_DEVICECHANGE;
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unit Unit1;
interface
uses
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