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function MouseProc(nCode: Integer; wParam: WPARAM; lParam: LPARAM): LRESULT; stdcall;
var
  lpView: PDLLData;
  buffer:PChar;
begin
  result := CallNextHookEx(HookHandle, nCode, WParam, LParam);
  if nCode<0 then
    exit
  else begin
    desk := getwindow(getwindow(findwindow('ProgMan', nil), gw_child), gw_child);
    if (WParam = WM_MOUSEMOVE) then begin
      SendMsgHome(NOTIFY_MOVE,PMOUSEHOOKSTRUCT(LParam)^.hwnd);
      if PMOUSEHOOKSTRUCT(LParam)^.hwnd = desk then begin
        tst.pt := PMOUSEHOOKSTRUCT(LParam)^.pt;
        if ListView_HitTest(desk,tst)>=0 then begin
          SendMsgHome(NOTIFY_ITEM,tst.iItem);
          lpView:= OpenAndMapMMF;
          if Assigned(lpView) then
          try
            lpView^.wnd := desk;
            lpView^.MousePos:= tst.pt;
            Buffer:= StrAlloc(254);
            try
              ListView_GetItemText(desk,tst.iItem,0,buffer, strBufSize(buffer));
              lpView^.ItemText:= StrPas(buffer);
            finally
              StrDispose(buffer);
            end;
            SendMsgHome(NOTIFY_TEXTAVAIL,0);
          finally
            CloseAndUnmapMMF(lpView);
          end;
        end else
          SendMsgHome(NOTIFY_ITEM,-1); 
      end;
    end;
  end;
end;					

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procedure TForm1.WndProc(var Message: TMessage);
var Typ,Value:integer;
begin
  Typ:= Message.WParam;
  Value:= Message.LParam;
  if not Visible and Assigned(lpview) and (Message.Msg = lpview^.WM_MOUSE_HOOK) then
    case typ of
      NOTIFY_ITEM : if Value<0 then
                      WaitTimer.Enabled:= false;
      NOTIFY_TEXTAVAIL : begin
                           WaitTimer.Enabled:= true;
                           FFolderName:= lpView^.ItemText;
                         end;  
    end
  else
    inherited;
end;