Windows Forms: How to Embed Windows Media Player on a Form in C#

Step 1: Click New Project, then select Visual C# on the left, then Windows and then select Windows Forms Application. Name your project "MediaPlayer" and then click OK

Step 2: Design your form as below

You need to add a reference to AxInterop.WMPLib, Interop.WMPLib

Step 3: Create a MediaFile to map data

public class MediaFile
{
    public string FileName { get; set; }
    public string Path { get; set; }
}

Step 4: Add code to handle your form as below

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace MediaPlayer
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void btnOpen_Click(object sender, EventArgs e)
        {
            using(OpenFileDialog ofd=new OpenFileDialog() { Multiselect = true, ValidateNames = true, Filter = "WMV|*.wmv|WAV|*.wav|MP3|*.mp3|MP4|*.mp4|MKV|*.mkv" })
            {
                if (ofd.ShowDialog() == DialogResult.OK)
                {
                    //Add file to play list
                    List<MediaFile> files = new List<MediaFile>();
                    foreach(string fileName in ofd.FileNames)
                    {
                        FileInfo fi = new FileInfo(fileName);
                        files.Add(new MediaFile() { FileName = Path.GetFileNameWithoutExtension(fi.FullName), Path = fi.FullName });
                    }
                    listFile.DataSource = files;
                }
            }
        }

        private void listFile_SelectedIndexChanged(object sender, EventArgs e)
        {
            //Open media file
            MediaFile file = listFile.SelectedItem as MediaFile;
            if (file != null)
            {
                axWindowsMediaPlayer.URL = file.Path;
                axWindowsMediaPlayer.Ctlcontrols.play();
            }
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            listFile.ValueMember = "Path";
            listFile.DisplayMember = "FileName";
        }
    }
}

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