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uses
  Activex, ShlObj, ComObj;


function RecycleBinIsEmpty: Boolean;
const
  CLSID_IRecycleBin: TGUID = (D1: $645FF040; D2: $5081; D3: $101B;
    D4: ($9F, $08, $00, $AA, $00, $2F, $95, $4E));
var
  EnumIDList: IEnumIDList;
  FileItemIDList: PItemIDList;
  ItemCount: ULONG;
  RecycleBin: IShellFolder;
begin
  CoInitialize(nil);
  OleCheck(CoCreateInstance(CLSID_IRecycleBin, nil, CLSCTX_INPROC_SERVER or
    CLSCTX_LOCAL_SERVER, IID_IShellFolder, RecycleBin));
  RecycleBin.EnumObjects(0,
    SHCONTF_FOLDERS or
    SHCONTF_NONFOLDERS or
    SHCONTF_INCLUDEHIDDEN,
    EnumIDList);
  Result := EnumIDList.Next(1, FileItemIDList, ItemCount) <> NOERROR;
  CoUninitialize;
end;

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