unit u_op_seae_paper_getpages;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, OleServer, PDFTool_TLB, OleCtrls, PDFActiveXLib_TLB, ExtCtrls;

type
  Tfrm_u_op_seae_paper_getpages = class(TForm)
    pdfctvx1: TPDFActiveX;
    pnl1: TPanel;
    procedure FormCreate(Sender: TObject);
    procedure ToOpenFile(strpath:string);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
  private
    { Private declarations }
  public
    { Public declarations }
   function GetPDFPages(strpath:string):Integer;
  end;

var
  frm_u_op_seae_paper_getpages: Tfrm_u_op_seae_paper_getpages;

implementation

{$R *.dfm}

procedure Tfrm_u_op_seae_paper_getpages.FormCreate(Sender: TObject);
begin
  //IntToStr( pdfpgtl1.GetPdfPage(path));
end;
 procedure Tfrm_u_op_seae_paper_getpages.ToOpenFile(strpath:string);
 begin
    pdfctvx1.FPDF_OpenFile(strpath,'') ;
 end;

 function Tfrm_u_op_seae_paper_getpages.GetPDFPages(strpath:string):Integer;
 begin
   Result:=- 1 ;
  try
    if(FileExists(strpath) ) then
    begin
      ToOpenFile(strpath);
     Result:= pdfctvx1.FPDF_GetPageCount;
      //pdfctvx1.FPDF_CloseFile ();
     if(Result<=0) then
     showmessage(strpath+'获取页数失败!');

    end
    else
       showmessage(strpath+'不存在或者不可访问!');

  except

  end;   

 end;                    

procedure Tfrm_u_op_seae_paper_getpages.FormClose(Sender: TObject;
  var Action: TCloseAction);
begin
   //
     pdfctvx1. FPDF_ExitAppActiveX (); 
end;

end.