[lmikle]

Ну, примерно так (не проверял):

Код:

procedure TForm1.Button1Click(Sender : TObject);
var
  sPath  : String;
begin
  sPath := Edit2.Text;
  if SelectDirectory(sPath,[sdAllowCreate, sdPerformCreate, sdPrompt],SELDIRHELP) Then
    Edit2.Text := sPath;
end;

procedure TForm1.Button1Click(Sender : TObject);
var
  sMask : String;
  sRootDir : String;
begin
  sMask := Edit1.Text;
  sRootDir := IncludetrailingPathDelimiter(Edit2.Text);
  FndFiles(sRootDir,sMask);
end;

procedure FndFiles(sRoot : String; sMask : String);
var
  iFound : Integer;
  F : TSearchRec;
begin
  // Files
  iFound := FindFirst(sRoot + sMask,faAnyFile,F);
  While iFound = 0 Do
    Begin
      if (F.Attr And faDirectory) = 0 Then
        ListBox1.Items.Add(sRoot + F.Name);
      iFound := FindNext(F);
    End;
  FinsClose(F);

  // Dirs
  iFound := FindFirst(sRoot + '*.*',faDirectory,F);
  While iFound = 0 Do
    Begin
      if (F.Name <> '.') And (F.Name <> '..') And ((F.Attr And faDirectory) <> 0) Then
        FndFiles( IncludeTrailingPAthDelimiter(sRoot + F.Name),sMask);
      iFound := FindNext(F);
    End;
  FinsClose(F);
end;