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var
  sr: TSearchRec;
begin
    FindFirst('c:\', 63, sr);
    repeat
      ShowMessage(sr.Name);
    until FindNext(sr) <> 0;
    FindClose(sr);
end;                    

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if FindFirst(dir, Attr, sRec) = 0 then
  begin
    if (sRec.Attr and Attr) = sRec.Attr then
    begin
      showMessage(sRec.Name);
    end;
    while FindNext(sRec) = 0 do
    begin
      if (sRec.Attr and Attr) = sRec.Attr then
      begin
        showMessage(sRec.Name);
      end;
    end;
    FindClose(sRec);
  end;                    

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procedure TForm1.Button1Click(Sender: TObject);
var
  sRec: TSearchRec;
  dir: String;
  Attr: Integer;
begin

dir := 'c:\*.*';
Attr := faAnyFile;

if FindFirst(dir, Attr, sRec) = 0 then
  begin
    if (sRec.Attr and Attr) = sRec.Attr then
    begin
      showMessage(sRec.Name);
    end;

    while FindNext(sRec) = 0 do
    begin
      if (sRec.Attr and Attr) = sRec.Attr then
      begin
        showMessage(sRec.Name);
      end;
    end;

    FindClose(sRec);
  end;
end;                    

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if FindFirst(Pfad, Attr, SearchRec) = 0 then
try
  repeat
    ShowMessage(SearchRec.Name);
  until FindNext(SearchRec) <> 0;
finally
  FindClose(SearchRec);
end;                    

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VAR
  FindRes : LongInt;
begin
  FindRes :=  FindFirst(Pfad, Attr, SearchRec);
  try 
    while (FindRes=0) do begin
      ShowMessage(SearchRec.Name); 
      FindRes := FindNext(SearchRec);
    end;
  finally 
    FindClose(SearchRec); 
  end;
end;