using System;
using System.Runtime.InteropServices;

class Program
{
    const uint PIPE_ACCESS_INBOUND = 0x00000001;
    const uint PIPE_TYPE_BYTE = 0x00000000;
    const uint PIPE_READMODE_BYTE = 0x00000000;
    const uint PIPE_WAIT = 0x00000000;
    const uint PIPE_UNLIMITED_INSTANCES = 255;

    [DllImport("kernel32.dll", SetLastError = true)]
    public static extern IntPtr CreateNamedPipeA(
        string lpName,
        uint dwOpenMode,
        uint dwPipeMode,
        uint nMaxInstances,
        uint nOutBufferSize,
        uint nInBufferSize,
        uint nDefaultTimeOut,
        IntPtr lpSecurityAttributes);

    [DllImport("kernel32.dll", SetLastError = true)]
    [return: MarshalAs(UnmanagedType.Bool)]
    public static extern bool ConnectNamedPipe(IntPtr hNamedPipe, IntPtr lpOverlapped);

    [DllImport("kernel32.dll", SetLastError = true)]
    [return: MarshalAs(UnmanagedType.Bool)]
    public static extern bool CloseHandle(IntPtr hObject);

    static void Main()
    {
        string pipeName = @"\\.\pipe\MyNamedPipe";
        IntPtr pipeHandle = CreateNamedPipeA(
            pipeName,
            PIPE_ACCESS_INBOUND,
            PIPE_TYPE_BYTE,
            PIPE_UNLIMITED_INSTANCES,
            0, // Buffer size for output data
            0, // Buffer size for input data
            0, // Default timeout (0 means blocking)
            IntPtr.Zero);

        if (pipeHandle != IntPtr.Zero)
        {
            Console.WriteLine("Named pipe created successfully.");
            // Wait for a client to connect (you can use ConnectNamedPipe here)
            // Do some work with the named pipe
            // Close the named pipe when done

            CloseHandle(pipeHandle);
        }
        else
        {
            Console.WriteLine("Failed to create named pipe. Error code: " + Marshal.GetLastWin32Error());
        }
    }
}