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unit Unit1;
interface
uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls,MSHTML, SHDOCVW,IdGlobal;
type
  TMainFrm = class(TForm)
    btnTest: TButton;
    edURL: TEdit;
    Label1: TLabel;
    procedure btnTestClick(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;
var
  MainFrm: TMainFrm;
implementation
{$R *.dfm}
procedure FillIEForm(aURL:string);
  procedure DoWithHtmlElement(aElementCollection:IHTMLElementCollection);
  var
    k:integer;
    vk:oleVariant;
    Dispatch: IDispatch;
    HTMLInputElement:IHTMLInputElement;
    HTMLSelectElement:IHTMLSelectElement;
    HTMLOptionElement: IHTMLOptionElement;
    HTMLTextAreaElement: IHTMLTextAreaElement;
    HTMLFormElement:IHTMLFormElement;
    HTMLOptionButtonElement:IHTMLOptionButtonElement;
  begin
    for k:=0 to aElementCollection.length -1 do
    begin
      Vk:=k;
      Application.ProcessMessages;
      Dispatch:=aElementCollection.item(Vk,0);
      if Succeeded(Dispatch.QueryInterface(IHTMLInputElement,HTMLInputElement)) then
      begin
        With HTMLInputElement do//µ¥ÐÐÎı¾
        begin
          if (UpperCase(Type_)='TEXT') or (UpperCase(Type_)='PASSWORD') then
          begin
            value:='text';