1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:
13:
14:
15:
16:
17:
18:
19:
20:
21:
22:
23:
24:
25:
26:
27:
28:
29:
30:
31:
32:
33:
34:
35:
36:
37:
38:
39:
40:
41:
42:
43:
44:
45:
46:
47:
48:
49:
50:
51:
52:
53:
54:
55:
56:
57:
58:
59:
60:
61:
62:
63:
64:
65:
66:
67:
68:
69:
70:
71:
72:
73:
74:
75:
76:
77:
78:
79:
80:
81:
82:
83:
84:
85:
86:
87:
88:
89:
90:
91:
92:
93:
94:
95:
96:
97:
98:
99:
100:
101:
102:

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, ComCtrls, StdCtrls, ImgList;

type
  TForm1 = class(TForm)
    TreeView1: TTreeView;
    ImageList1: TImageList;
    procedure FormCreate(Sender: TObject);
    procedure FindFilesTree (aTree: tTreeView; aPath: String; aNode: tTreeNode; aWithFiles: Boolean);
  private

  public
    { Public-Deklarationen }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

{ TForm1 }

type
  pNodeInfo = ^tNodeInfo;
  tNodeInfo = record
      Path: Boolean;
      Name: String;
    end;


procedure TForm1.FindFilesTree(aTree: tTreeView; aPath: String;
  aNode: tTreeNode; aWithFiles: Boolean);
var
  SearchRec: tSearchRec;
  Info: pNodeInfo;
  NodeTmp: tTreeNode;
Begin
  aTree.Items.BeginUpdate;

  If FindFirst (aPath + '*.*', faDirectory, SearchRec) = 0 Then
    Begin
      Repeat
        // Wenn es sich um ein Verzeichnis handelt
        If (SearchRec.Attr and faDirectory = faDirectory)
          and (SearchRec.Name[1] <> '.')
        Then
          Begin
            If (SearchRec.Attr and faDirectory > 0) then
              Begin
                New (Info);
                Info^.Path := True;
                Info^.Name := aPath + SearchRec.Name;

                // zum aktuellen Eintrag hinzufügen
                aNode := aTree.Items.AddChildObject (aNode, SearchRec.Name, Info);
              End;

            // Eintrag merken
            NodeTmp := aNode.Parent;
            // auf Untereinträge prüfen
            FindFilesTree (aTree, aPath + SearchRec.Name, aNode, aWithFiles);
            // Eintrag wiederholen
            aNode := NodeTmp;
          End
        Else
          // Eintrag ist eine Datei
          If aWithFiles
            and (SearchRec.Name <> '.') and (SearchRec.Name <> '..')
          Then
            Begin
              New (Info);
              Info^.Path := False;
              Info^.Name := aPath + SearchRec.Name;
              SearchRec.Name  := ChangeFileExt( SearchRec.Name , '');
              aTree.Items.AddChildObject (aNode, SearchRec.Name, Info);
            End;

      // solange weiter bis keine wieteren Dateien/Verzeichniss gefunden werden
      Until FindNext (SearchRec) <> 0;

      FindClose(SearchRec);
    End;

  aTree.Items.EndUpdate;
end;

procedure TForm1.FormCreate(Sender: TObject);
var
  S : String;
begin
  s := ExtractFilePath(Application.ExeName) + 'Testdaten\';
  FindFilesTree (TreeView1, s, nil, True);
end;

end.					

1:
2:
3:
4:
5:
6:
7:

...
 Until FindNext (SearchRec) <> 0;
   FindClose(SearchRec);
 End;
  Dispose(Info);
  aTree.Items.EndUpdate;
end;					

1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:
13:
14:
15:

procedure TForm1.FormDestroy(Sender: TObject);
var
  Info: pNodeInfo;
  i : Integer;
begin
  for i := 0 to TreeView1.Items.Count -1 do
    begin
      if assigned(TreeView1.Items.Item[i]) then
      begin
        Info:=TreeView1.Items.Item[i].Data;
        dispose(Info);
      end;
    end;
  TreeView1.Items.Clear;
end;