導出excel時操作checkBox

procedure TfrmCQS_QUOTATION.sbtnOutPutClick(Sender: TObject);
var
  Path: string;
  fielname: string;
  i: integer;
  sFileName: string;
  lstFileName: TStringList;
  fExcel: string;
  ExcelApp: Variant;
  isOpen: boolean;
begin
//todo:導出申請單EXCEL進行
  isopen := False;
  fexcel := 'Quotation.XLS';
  Path := SysUtils.ExtractFilePath(Application.ExeName);
  Path := Path + 'Samples\' + fEXCEL;

  sFileName := cdsMainFAT_PN.AsString;
  //替換文件名中的不規則字符
  lstFileName := TStringList.Create;
  with lstFileName do
  begin
    Add('"');
    Add('>');
    Add('<');
    Add('/');
    Add('\');
    Add(':');
    add('?');
    Add('|');
  end;
  for i := 0 to lstFileName.Count - 1 do
  begin
    if pos(lstFileName.Strings[i], sFileName) > 0 then
    begin
      sFileName := StringReplace(sFileName, '"', '~', [rfReplaceAll, rfIgnoreCase]);
    end;
  end;
  lstFileName.Free;

  SaveDialog.FileName := sFileName;

  if SaveDialog.Execute then
    fielname := SaveDialog.FileName
  else
    exit;
  try
    waitfm.TfrmWait.showWaitForm('導出EXCEL，請稍候...');
    try
      ExcelApp := CreateOleObject('Excel.Application'); // 創建 Excel
    except
      raise Exception.Create('系統可能沒有安裝Excel,請檢查!');
    end;
    ExcelApp.Visible := false; // 是否顯示 Excel
    ExcelApp.WorkBooks.Open(path); // 打開 Excel

    ExcelApp.WorkSheets[1].Activate;
    with GlobeFunlibs.GetTmpCds do
    begin
      commandtext := 'select bh, x, y, field, descs,Lb,lbName '
        + ' from cqs_quotation_excel'
        + ' where (x is not null or y is not null or LB is not null) and Name= ' + quotedstr(self.Name)
        + ' and bs= ' + quotedstr(self.cdsMain.Name);

      Open;
      while not Eof do
      begin
        if MasterDataset.FindField(Fields[3].asstring) <> nil then
        begin
          if Fields[5].AsString = '' then
            ExcelApp.ActiveSheet.Cells.Item[Fields[2].asinteger, Fields[1].asinteger] :=
              MasterDataset.fieldbyname(Fields[3].asstring).AsString
          else
          begin
            if Fields[5].AsString = 'chk' then
            begin

              for I := 1 to ExcelApp.ActiveSheet.Checkboxes.count do // Iterate
                if (ExcelApp.ActiveSheet.CheckBoxes[i].Name = Fields[6].AsString) then
                begin
//                  ShowMessage('3:' + Fields[3].asstring + #13#10 +
//                    MasterDataset.fieldbyname(Fields[3].asstring).AsString
//                    + #13#10 + Fields[1].AsString
//                    );

                  if MasterDataset.fieldbyname(Fields[3].asstring).AsString = Fields[1].AsString then
                  begin
                    ExcelApp.ActiveSheet.Checkboxes[I].value := 1;
                    Continue;
                  end;
                end;
            end;
            if Fields[5].AsString = 'lab' then
            begin

              for I := 1 to ExcelApp.ActiveSheet.Labels.count do // Iterate
                if (ExcelApp.ActiveSheet.Labels[I].Name = Fields[6].AsString) then
                begin
                  ExcelApp.ActiveSheet.Labels[I].text := MasterDataset.fieldbyname(Fields[3].asstring).AsString;
                  Continue;
                end;
            end;

          end;
        end;
        next;
      end;
      close;
      free;
    end;
    ExcelApp.ActiveWorkBook.SaveAs(fielname);
    isOpen := true;

  finally

    //ExcelApp.DisplayAlerts := False;  //提示是否存盤
    ExcelApp.Quit;
    ExcelApp.Application.quit;
    ExcelApp := Unassigned;
    TfrmWait.CloseWaitform;
  end;
  if isOpen then
    if Application.MessageBox('EXCEL導出完成,是否要打開文件？', '提示', MB_YESNO +
      MB_ICONQUESTION) = IDYES then
    begin
      ShellExecute(Self.Handle, 'open', PChar(fielname), '', '', 1);
    end;
end;