How to send and read message between client and serve using namedpipe

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C++

I have created Client and Server Application, and when I am sending message from client to server, server is reading the message  from client but it is displaying junk messages, how can I display exact message?
can you please explain.

What I have tried:

My Server code is:-

 Server::Server(void)
{
	
	hPipe = CreateNamedPipe("\\\\.\\pipe\\mypipe",PIPE_ACCESS_DUPLEX,PIPE_TYPE_MESSAGE|
							PIPE_READMODE_MESSAGE|PIPE_WAIT,PIPE_UNLIMITED_INSTANCES,BUFSIZE,BUFSIZE,0,NULL);
	if(hPipe==INVALID_HANDLE_VALUE)
	{
		std::cout<<"PipeCreation Failed";
	}
	else
	
		std::cout<<"PipeCreation Sucessful";
		Run();
	}
 void Server::Run()
 {	
	 std::cout<<"Server running:\n";
	 std::cout<<"waiting for the client:\n";
	 ConnectToClient(hPipe,NULL);
	 ReadFile(hPipe,m_buffer,127 * sizeof(wchar_t),cbRead,NULL);
	  
 }
 bool Server::ReadFile(HANDLE,LPVOID,DWORD,LPDWORD,LPOVERLAPPED)
 {
	 wchar_t m_buffer[128];
	 DWORD cbRead=0;
	 if (result) {
		 m_buffer[sizeof(wchar_t)] = '\0';
        std::cout << "Number of bytes read: " << cbRead <<std::endl;
        std::cout << "Message: " << m_buffer << std::endl;
    } else {
        std::cout << "Failed to read data from the pipe." << std::endl;
    }
	 return true;

 }
 void Server::ConnectToClient(HANDLE,LPOVERLAPPED)
 {
	 if(FALSE == ConnectNamedPipe(hPipe, NULL))
    {
       std::cout<<"Pipe connection failed";
      
    }
    else
    {
		std::cout<<"Pipe connection sucessful";
       
    }
 }

My Client code is :-


Client::Client(void)
{

hPipe = CreateFile("\\\\.\\pipe\\mypipe",GENERIC_READ |GENERIC_WRITE,0,NULL,OPEN_EXISTING,0,NULL);
if(hPipe == INVALID_HANDLE_VALUE)
{
std::cout<<"pipe connection Failed:\n";
}
else
std::cout<<"pipe connected sucessfully:\n";
WriteFile(hPipe,m_buffer,cbToWrite,cbWritten,NULL);

}
bool Client::WriteFile(HANDLE,LPCVOID,DWORD,LPDWORD,LPOVERLAPPED)
{
const wchar_t *m_buffer = L"*** Hello Pipe World ***";

if (result) {
std::cout << "Number of bytes sent: " << cbWritten << std::endl;
} else {
std::cout << "Message:" << std::endl;
}
return true;
}