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function RunProcess(const FileName: String): HWND;

  function EnumWindowsProc(hWnd: HWND; lParam: LPARAM): BOOL; stdcall;
  begin
    TList(lParam).Add(Pointer(hWnd));
    Result := True;
  end;

var
  SI: TStartupInfo;
  PI: TProcessInformation;
  List: TList;
  ProcessId: DWORD;
  I: Integer;
begin

  Result := 0;
  List := TList.Create;
  try
    FillChar(SI, SizeOf(TStartupInfo), 0);
    SI.cb := SizeOf(TStartupInfo);
    if CreateProcess(nil, PChar(FileName), nil, nil, False, 0, nil, nil, SI, PI) then
    begin
      WaitForInputIdle(PI.hProcess, INFINITE);
      if EnumWindows(@EnumWindowsProc, Longint(List)) then
      begin
        for I := 0 to List.Count - 1 do
        begin
          GetWindowThreadProcessId(Longint(List.Items[I]), ProcessId);
          if PI.dwProcessId = ProcessId then
          begin
            Result := Longint(List.Items[I]);
            Break;
          end;
        end;
      end;
      CloseHandle(PI.hProcess);
      CloseHandle(PI.hThread);
    end;
  finally
    List.Free;
  end;

end;