Managed C++/CLI

CString str = "aaaa":
String* str1 = new String (str);
MemoryStream* mem1 = new MemoryStream (str1, false);

c:\Work\Test.cpp(332): error C2664: 'System::IO::MemoryStream::MemoryStream(unsigned char  __gc[],bool)' : cannot convert parameter 1 from 'System::String __gc *' to 'unsigned char  __gc[]'

MemoryStream* mem = new MemoryStream (n) ;// specify the size
for (int i = 0; i < n; i++)
  mem->WriteByte (str[i]);

CString str = "aaaa";
String* strText = new String (str);
Byte message[] = System::Text::Encoding::ASCII->GetBytes( strText );
MemoryStream* sStream = new MemoryStream( message );

TcpListener tcpL = ....;
 
tcpL.Start();
 
while(bShouldAcceptConnections)
{
  if( tcpL.Pending() )
  {
    TcpClient tcpC = tcpL.AcceptTcpClient();
    // do something with it
  }
 
  // Other processing that will eventually set
  // bShouldAcceptConnections to false
}
 
tcpL.Stop();