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procedure GetAllFilesEM(Path, ExtMask: String; List: TStringDictionary;
  SubFolder: Boolean);
var
  Attrib, k: Integer;
  Search: TSearchRec;
begin
  Attrib := faArchive + faReadOnly + faHidden;


  if Path[Length(Path)] <> '\' then Path := Path + '\';


  with TStringList.Create do
  try
    CommaText := ExtMask;

 
    for k := 0 to Count - 1 do
    if FindFirst(Path + '*.' + Strings[k], Attrib, Search) = 0 then  
      repeat
        List.Add((AnsiUpperCase(Path + Search.Name)),nil);
      until FindNext(Search) <> 0;


    FindClose(Search);  
  finally Free end;


  if SubFolder then  
  begin
    if FindFirst(Path + '*.*', faDirectory, Search) = 0 then  
    begin
      repeat  
        if ((Search.Attr and faDirectory) = faDirectory) and
          (Search.Name[1] <> '.') then
          GetAllFilesEM(Path + Search.Name, ExtMask, List, SubFolder);
      until FindNext(Search) <> 0;


      FindClose(Search);  
    end;
  end;
end;