//SPO-1-win.cpp : Defines the entry point for the console application.

#include "stdafx.h"
#include <Windows.h>
#include <stdio.h>
#include <tchar.h>
#include <conio.h>


void PrintLocalTime( int x, int y);

void _tmain( int argc, TCHAR *argv[] )
{
    STARTUPINFO si;
    PROCESS_INFORMATION pi;

    ZeroMemory( &si, sizeof(si) );
    si.cb = sizeof(si);
    ZeroMemory( &pi, sizeof(pi) );

    // Parent process
    if ( argc == 1){

        // Set args for child process
        TCHAR cmdlineargs[100] = {0};
        _tcscat_s( cmdlineargs, *argv);
        _tcscat_s( cmdlineargs, TEXT(" -child"));


        // Start the child process.
        if( !CreateProcess(
            NULL,           // No module name (use command line)
            cmdlineargs,    // Command line
            NULL,           // Process handle not inheritable
            NULL,           // Thread handle not inheritable
            FALSE,          // Set handle inheritance to FALSE
            0,              // No creation flags
            NULL,           // Use parent's environment block
            NULL,           // Use parent's starting directory
            &si,            // Pointer to STARTUPINFO structure
            &pi )           // Pointer to PROCESS_INFORMATION structure
            )
        {
            printf( "CreateProcess failed (%d).\n", GetLastError() );
            return;
        }
        // Print time in parent process
        PrintLocalTime( 40, 40);
    }
    else{
        // Print time in child process
        PrintLocalTime( 40, 60);
    }

    // Close process and thread handles.
    CloseHandle( pi.hProcess );
    CloseHandle( pi.hThread );
}

// Print current time in specified area of console.
void PrintLocalTime( int x, int y){

    HANDLE consoleHandle = GetStdHandle(STD_OUTPUT_HANDLE);
    SYSTEMTIME currentTime;
    COORD xy = {x, y};
    while( !_kbhit() )
    {
        GetLocalTime(&currentTime);
        SetConsoleCursorPosition(consoleHandle, xy);
        printf("Current Time %.2d:%.2d:%.2d", currentTime.wHour, currentTime.wMinute, currentTime.wSecond);
        Sleep(1000);
    }
}