ax播放器,实现文件拖入播放和拖动到可执行文件上打开

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
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(); } }}