using System;
using System.Windows.Forms;
using System.Drawing;
using System.Media;
using System.Diagnostics;
using System.Collections;
using System.Collections.Generic;
using System.Runtime.InteropServices;

class form1: Form {
    [DllImport("winmm.dll", EntryPoint = "mciSendStringA", ExactSpelling = true, CharSet = CharSet.Ansi, SetLastError = true)]
    private static extern int record(string lpstrCommand, string lpstrReturnString, int uReturnLength, int hwndCallback);
    private SoundPlayer player = null;
    private void PlaySound(string waveFile) {
        if (player != null) StopSound();
        player = new System.Media.SoundPlayer(waveFile);
        player.Play();
    }
    private void StopSound() {
        if (player != null)
        {
            player.Stop();
            player.Dispose();
            player = null;
        }
    }
    form1() {
        Text = "sound";
        ClientSize = new Size(400, 400);
        Button btn0 = new Button();
        btn0.Location = new Point(50, 20);
        btn0.Text = "rec";
        btn0.Click += btn0_Click;
        Button btn1 = new Button();
        btn1.Location = new Point(150, 20);
        btn1.Text = "stop";
        btn1.Click += btn1_Click;
        Button btn2 = new Button();
        btn2.Location = new Point(250, 20);
        btn2.Text = "play";
        btn2.Click += btn2_Click;
        Controls.AddRange(new Control[] {
            btn0,
            btn1,
            btn2
        });
    }
    void btn0_Click(System.Object sender, System.EventArgs e) {
        record("open new Type waveaudio Alias recsound", "", 0, 0);
        record("record recsound", "", 0, 0);
    }
    void btn1_Click(System.Object sender, System.EventArgs e) {
        record("save recsound c:\\tmp\\mic.wav", "", 0, 0);
        record("close recsound", "", 0, 0);
    }
    void btn2_Click(object sender, System.EventArgs e) {
        PlaySound("c:\\tmp\\mic.wav");
    }
    [STAThread]
    public static void Main() {
        Application.Run(new form1());
    }
}