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{
  GetAllFilesEx by Sebastian Jänicke (jaenicke on delphi-forum.de) - 2011
  inspired by Popov: http://www.delphi-library.de/viewtopic.php?t=21275
  use as you want, but please don't remove this comment
}
type
  TFileSearchOptions = set of (fsoRecursive, fsoRelativePaths, fsoOnlyFilenames);
  TSearchFilesCallback = reference to procedure(const ACurrentPath: string);

function PathCombine(lpszDest: PWideChar; const lpszDir, lpszFile: PWideChar): PWideChar; stdcall;
  external 'shlwapi.dll' name 'PathCombineW';

procedure GetAllFilesEx(AFileList: TStrings; const AParentPath, ASearchPath, AMasks: string; const AExcludes: string = '';
  ASearchOptions: TFileSearchOptions = [fsoRecursive]; AAttributes: Integer = faAnyFile; ACallback: TSearchFilesCallback = nil;
  AMinAge: TDateTime = 0; AMaxAge: TDateTime = 2 * MAXWORD);
var
  CompletePath, ParentPath, SearchPath, CurrentMask, CurrentFilename: string;
  Search: TSearchRec;
  MaskList, ExcludeList, ExcludedFiles: TStringList;
begin
  // combine paths to complete path
  if ASearchPath <> '' then
    SearchPath := IncludeTrailingPathDelimiter(ASearchPath)
  else
    SearchPath := '';
  if AParentPath <> '' then
    ParentPath := IncludeTrailingPathDelimiter(AParentPath)
  else
    ParentPath := '';
  SetLength(CompletePath, MAX_PATH);
  PathCombine(PChar(CompletePath), PChar(ParentPath), PChar(SearchPath));
  SetLength(CompletePath, StrLen(PChar(CompletePath)));

  // callback
  if Assigned(ACallback) then
    ACallback(CompletePath);

  // fill file list
  ExcludedFiles := TStringList.Create;
  try
    // find excluded files
    ExcludeList := TStringList.Create;
    try
      ExcludeList.StrictDelimiter := True;
      ExcludeList.CommaText := AExcludes;
      for CurrentMask in ExcludeList do
        if FindFirst(CompletePath + CurrentMask, AAttributes, Search) = 0 then
        begin
          repeat
            ExcludedFiles.Add(AnsiUpperCase(CompletePath + Search.Name));
          until FindNext(Search) <> 0;
          FindClose(Search);
        end;
    finally
      ExcludeList.Free;
    end;

    // find all matching files
    MaskList := TStringList.Create;
    try
      MaskList.StrictDelimiter := True;
      MaskList.CommaText := AMasks;
      for CurrentMask in MaskList do
        if FindFirst(CompletePath + CurrentMask, AAttributes, Search) = 0 then
        begin
          repeat
            CurrentFilename := CompletePath + Search.Name;
            if (ExcludedFiles.IndexOf(AnsiUpperCase(CurrentFilename)) < 0)
              and (Search.TimeStamp >= AMinAge) and (Search.TimeStamp <= AMaxAge) then
            begin
              if fsoRelativePaths in ASearchOptions then
                AFileList.Add(ExtractRelativePath(ParentPath, CurrentFilename))
              else if fsoOnlyFilenames in ASearchOptions then
                AFileList.Add(Search.Name)
              else
                AFileList.Add(CurrentFilename);
            end;
          until FindNext(Search) <> 0;
          FindClose(Search);
        end;
    finally
      MaskList.Free;
    end;
  finally
    ExcludedFiles.Free;
  end;

  // recurse into subfolders
  if fsoRecursive in ASearchOptions then
  begin
    if FindFirst(CompletePath + '*.*', faDirectory, Search) = 0 then
    begin
      repeat
        if ((Search.Attr and faDirectory) = faDirectory) and (Search.Name[1] <> '.') then
          GetAllFilesEx(AFileList, AParentPath, SearchPath + Search.Name, AMasks, AExcludes, ASearchOptions, AAttributes,
            ACallback, AMinAge, AMaxAge);
      until FindNext(Search) <> 0;
      FindClose(Search);
    end;
  end;
end;                    

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var
  FileList: TStringList;
begin
  FileList := TStringList.Create;
  try
    GetAllFilesEx(FileList, 'C:\Program Files (x86)\Embarcadero', '', '*.exe,*.txt');
    ShowMessage(FileList.Text);
  finally
    FileList.Free;
  end;
end;                    

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var
  FileList: TStringList;
begin
  FileList := TStringList.Create;
  try
    GetAllFilesEx(FileList, 'C:\Program Files (x86)\Embarcadero', 'RAD Studio', '*.exe,*.txt', 'bds.exe,g*',
      [fsoRecursive, fsoRelativePaths], faAnyFile,
      procedure(const ACurrentPath: string)
      begin
        Caption := ACurrentPath;
      end);
    ShowMessage(FileList.Text);
  finally
    FileList.Free;
  end;
end;