A simple solution to see the inside of your code

// EsiListenerCPP.cpp : Defines the entry point for the DLL application.
//

#include "stdafx.h"
#include <string>
#include "PipeClient.h"


PipeClient pipeClient;

BOOL APIENTRY DllMain( HANDLE hModule, 
                       DWORD  ul_reason_for_call, 
                       LPVOID lpReserved
					 )
{
    return TRUE;
}


void WINAPI Trace(char* szMessage)
{
	char    szAppPath[MAX_PATH] = "", dateTime[40] = {0};
	std::string strAppName, strFileName, strMessage;

	 SYSTEMTIME st;
     GetLocalTime(&st);

	 sprintf( dateTime, "%0000d/%00d/%00d %00d:%00d:%00d" ,st.wYear,st.wMonth,st.wDay,st.wHour,st.wMinute,st.wSecond);

	::GetModuleFileName(0, szAppPath, MAX_PATH);

	strAppName = szAppPath;
	strAppName = strAppName.substr(strAppName.rfind("\\") + 1);

	strMessage = strAppName;
	strMessage += SEPARATOR;
	strMessage += SEPARATOR;
	strMessage += dateTime;
	strMessage += SEPARATOR;
	strMessage += szMessage;
		
	pipeClient.Send( (char*)strMessage.data() );
}