Audio Mixer - Console Simulator

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using AudioVideoPlayer;
using System.IO;

namespace PF_Consola
{
    public partial class Player : UserControl
    {
        MCIPlayback mci;

        public Player()
        {
            InitializeComponent();
            mci = new MCIPlayback();
        }

        int _PlayState = 0;
        private int PlayState
        {
            set{
                _PlayState = value;

                //0 = Closed
                //1 = Stopped
                //2 = Playing
                //3 = Paused

                switch (_PlayState)
                {
                    case 0:
                        picPlayPause.Enabled = false;
                        picStop.Enabled = false;
                        picPlayPause.Image = picPlayPauseOFF.Image;
                        picStop.Image = picStopOFF.Image;

                        try
                        {
                            mci.Stop();
                            mci.Close();
                            lblPlayState.Text = "Closed";
                        }
                        catch (MCIPlaybackException ex)
                        {
                            MessageBox.Show(ex.Message, "MCI Error");
                        }

                        break;

                    case 1:
                        picPlayPause.Enabled = true;
                        picStop.Enabled = false;
                        picPlayPause.Image = picPlayPauseOFF.Image;
                        picStop.Image = picStopON.Image;

                        try
                        {
                            mci.Stop();
                            lblPlayState.Text = "Stopped";
                        }
                        catch (MCIPlaybackException ex)
                        {
                            MessageBox.Show(ex.Message, "MCI Error");
                        }

                        break;

                    case 2:
                        picPlayPause.Enabled = true;
                        picStop.Enabled = true;
                        picPlayPause.Image = picPlayPauseON.Image;
                        picStop.Image = picStopOFF.Image;

                        try
                        {
                            mci.Play();
                            lblPlayState.Text = "Playing";
                        }
                        catch (MCIPlaybackException ex)
                        {
                            MessageBox.Show(ex.Message, "MCI Error");
                        }

                        break;

                    case 3:
                        picPlayPause.Enabled = true;
                        picStop.Enabled = true;
                        picPlayPause.Image = picPlayPauseOFF.Image;
                        picStop.Image = picStopOFF.Image;

                        try
                        {
                            mci.Pause();
                            lblPlayState.Text = "Paused";
                        }
                        catch (MCIPlaybackException ex)
                        {
                            MessageBox.Show(ex.Message, "MCI Error");
                        }

                        break;
                }
            }
            get{
                return _PlayState;
            }
        }

        private void butLoad_Click(object sender, EventArgs e)
        {
            openFileDialog.Filter = "Archivos de audio soportados (*.mp3)|*.*";

            if (openFileDialog.ShowDialog() == DialogResult.OK)
            {
                lblPath.Text = openFileDialog.FileName;
                lblFileName.Text = openFileDialog.FileName.Substring(openFileDialog.FileName.LastIndexOf(@"\")+1);
                PlayState = 0;

                try
                {
                    mci.Open(lblPath.Text, "mpegvideo");
                }
                catch (MCIPlaybackException ex)
                {
                    MessageBox.Show(ex.Message, "MCI Error");
                    mci.Close();
                }

                if (mci.IsOpen)
                {
                    mci.SetVolume(0, 0);
                    mci.SetTimeFormat("ms");
                    lLength.Text = mci.GetLength();
                    PlayState = 1;
                }
            }
        }


        public int CurrentPosition()
        {
            int _posicion = 0;
            if (mci.IsOpen)
            {
                _posicion = Convert.ToInt32(mci.GetCurrentPosition());
            }

            return _posicion;
        }


        public void Restart()
        {
            PlayState = 0;
            lblPath.Text = "Path";
            lblFileName.Text = "FileName";
            lLength.Text = "0";
        }


        public void PlayExternal()
        {
            if (mci.IsOpen) {
                if (picPlayPause.Enabled == true)
                {
                    PlayState = 2;
                }
            }
        }

        public void StopExternal()
        {
            if (mci.IsOpen)
            {
                if (picStop.Enabled == true)
                {
                    PlayState = 1;
                }
            }
        }


        private void picPlayPause_Click(object sender, EventArgs e)
        {
            if (lblPlayState.Text == "Playing")
            {
                // PAUSE
                PlayState = 3;
            }
            else
            {
                // PLAY
                PlayState = 2;
            }
        }

        private void picStop_Click(object sender, EventArgs e)
        {
            // STOP
            PlayState = 1;
        }
    }
}