ax播放器,实现文件拖入播放和拖动到可执行文件上打开

【实例截图】

需要启用 Windows Media Player 功能，否则会提示【System.Runtime.InteropServices.COMException:“没有注册类】

操作步骤：控制面板>>程序>>启用或者关闭windows 功能>>选中 媒体功能>>Windows Media Player,点击确定即可

【核心代码】

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

namespace AxWindowsMediaPlayer
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            this.Icon = Source.ico;
        }
        public Form1(string[] args)
        {
            InitializeComponent();
            this.Icon = Source.ico;
            WMPLib.IWMPPlaylist currentList = axWindowsMediaPlayer1.playlistCollection.newPlaylist("默认列表");
            for (int i = 0; i < args.Length; i  )
            {
                if (args[i].Trim() != "")
                {
                    currentList.appendItem(axWindowsMediaPlayer1.newMedia(args[i].Trim()));
                }
            }
            axWindowsMediaPlayer1.currentPlaylist = currentList;
            axWindowsMediaPlayer1.Ctlcontrols.play();
        }

        private void 打开ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            OpenFileDialog f = new OpenFileDialog();
            f.ShowDialog();
            f.Multiselect=false;
            if (f.FileName != "")
            {
                axWindowsMediaPlayer1.URL = f.FileName;
                axWindowsMediaPlayer1.Ctlcontrols.play();
                Text = axWindowsMediaPlayer1.currentMedia.name;
            }
        }
        protected override void OnDragEnter(DragEventArgs e)
        {
            if (e.Data.GetDataPresent(DataFormats.FileDrop))
                e.Effect = DragDropEffects.All;
            else
                e.Effect = DragDropEffects.None;
        }

        protected override void OnDragDrop(DragEventArgs e)
        {
            string[] s = (string[])e.Data.GetData(DataFormats.FileDrop, false);
            int i;
            WMPLib.IWMPPlaylist currentList = this.axWindowsMediaPlayer1.currentPlaylist;
            for (i = 0; i < s.Length; i  )
            {
                if (s[i].Trim() != "")
                {
                    currentList.appendItem(axWindowsMediaPlayer1.newMedia(s[i].Trim()));
                }
            }
            axWindowsMediaPlayer1.currentPlaylist = currentList;
            axWindowsMediaPlayer1.Ctlcontrols.play();
        }
    }
}