uses ShellAPI;
function MoveToRecycle(sFileName: string): Boolean;
var
  fos: TSHFileOpStruct;
begin
  FillChar(fos, SizeOf(fos), 0);
  with fos do
  begin
    wFunc  := FO_DELETE;
    pFrom  := PChar(sFileName);
    fFlags := FOF_ALLOWUNDO or FOF_NOCONFIRMATION or FOF_SILENT;
  end;
  Result := (0 = ShFileOperation(fos));
end;