Вывести текст с консоли в Memo, но только после завершения консольного приложения

//---------------------------------------------------------------------------
 
#include <vcl.h>
#pragma hdrstop
 
#include "Unit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
    : TForm(Owner)
{
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button1Click(TObject *Sender)
{
#define READ_BUFFER_SIZE 1024
String AppName = "E:\\1.exe"; //Консольный Hello World
SECURITY_ATTRIBUTES Security;
HANDLE ReadPipe, WritePipe;
STARTUPINFO Start;
TProcessInformation ProcessInfo;
char *Buffer, Data;
DWORD BytesRead, Apprunning;
int Result, DataSize;
 
Security.nLength = sizeof(TSecurityAttributes);
Security.bInheritHandle = true;
Security.lpSecurityDescriptor = NULL;
 
if (CreatePipe(&ReadPipe, &WritePipe, &Security, 0))
  {
  Buffer = new char[READ_BUFFER_SIZE + 1];
 
  memset(&Start, 0, sizeof(Start));
  Start.cb = sizeof(Start) ;
  Start.hStdOutput = WritePipe;
  Start.hStdInput = ReadPipe;
  Start.dwFlags = STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW;
  Start.wShowWindow = SW_HIDE;
 
  if (CreateProcess(NULL, AppName.c_str(), &Security, &Security, true, NORMAL_PRIORITY_CLASS | CREATE_NEW_CONSOLE, NULL, NULL, &Start, &ProcessInfo))
    {
    do
      {
      Apprunning = WaitForSingleObject(ProcessInfo.hProcess, 100);
      Application->ProcessMessages();
      // вычитываем данные работающей консоли
      do
        {
        Result = PeekNamedPipe(ReadPipe, NULL, 0, NULL, (LPDWORD) &DataSize, NULL);
        if ((Result) && (DataSize))
          {
          if (DataSize > READ_BUFFER_SIZE) DataSize = READ_BUFFER_SIZE;
          ReadFile(ReadPipe, Buffer, DataSize, &BytesRead, NULL);
          Buffer[BytesRead] = 0;
          OemToAnsi(Buffer, Buffer);
          Memo->Text = Memo->Text + (AnsiString) Buffer;
          }
        }
      while ((Result) && (DataSize));
      }
    while (Apprunning == WAIT_TIMEOUT);
    }
 
  delete [] Buffer;
 
  CloseHandle(ProcessInfo.hProcess);
  CloseHandle(ProcessInfo.hThread);
  CloseHandle(ReadPipe);
  CloseHandle(WritePipe);
  }
}