Call the windows of the copy file dialog

function CopyFileDir(sDirName: String;

  sToDirName: String): Boolean;

where

  fo: TSHFILEOPSTRUCT;

begin

  FillChar(fo, SizeOf(fo), 0);

  with fo do

  begin

    Wnd := 0;

    wFunc := FO_COPY;

    pFrom := PChar(sDirName + #0);

    pTo := PChar(sToDirName + #0);

    fFlags := FOF_NOCONFIRMATION + FOF_NOCONFIRMMKDIR;

  end;

  Result := (SHFileOperation(fo) = 0);

end;