Delphi

unit Unit1;

interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls;

type
TForm1 = class(TForm)
ListBox1: TListBox;
procedure FormCreate(Sender: TObject); protected
procedure WMDROPFILES (var Msg: TMessage); message WM_DROPFILES;

private
{ Private-Deklarationen }
public
{ Public-Deklarationen }
end;

var
Form1: TForm1;

implementation
uses shellapi;

{$R *.DFM}

procedure TForm1.WMDROPFILES (var Msg: TMessage);
var i,anzahl, size : integer;
Dateiname : PChar;

begin
inherited;
anzahl := DragQueryFile(Msg.WParam, $FFFFFFFF,Dateiname,255);
for i := 0 to (anzahl - 1) do
begin
size := DragQueryFile(Msg.WParam, i , nil, 0) + 1;
Dateiname:= StrAlloc(size);
DragQueryFile(Msg.WParam,i , Dateiname, size);
listbox1.items.add(StrPas(Dateiname)); StrDispose(Dateiname);
end;
DragFinish(Msg.WParam);
end;



procedure TForm1.FormCreate(Sender: TObject);
begin
DragAcceptFiles(Form1.Handle, true);
end;

end.