winform 播放本地视频源码下载(Interop.WMPLib)

【实例截图】

【核心代码】

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

namespace DemandVideo1
{
    public partial class Index : Form
    {
        private String url = @"D:\\CSharp代码(未整理)\\S1作业\\KTV项目-自己\\KTV\\资源\\song\\";  //绝对路径
        private OpenFileDialog openFile = new OpenFileDialog();
        private Dictionary<int, String> d = new Dictionary<int, string>();
        private String activeUrl = "";
        public Index()
        {
            InitializeComponent();
            initList();
        }

        private void wmp_Enter(object sender, EventArgs e)
        {
            this.listPan.Visible = false;
        }

        private void Index_Load(object sender, EventArgs e)
        {

        }
        //打开文件按钮
        private void clickBtn_Click(object sender, EventArgs e)
        {
            openFile.ShowDialog();
            this.picPan.Visible = false;
            this.wmp.URL = openFile.FileName;
            activeUrl = openFile.FileName;
            this.Text = "点播视频  "   openFile.FileName.Split('.')[0];
            this.playBtn.Text = "暂停";
        }
        //播放、暂停按钮
        private void playBtn_Click(object sender, EventArgs e)
        {
            //this.wmp.URL = openFile.FileName;
            Button btn = (Button)sender;
            if (btn.Text.Equals("播放"))
            {
                this.wmp.URL = activeUrl;
                btn.Text = "停止";
                this.picPan.Visible = false;
            }
            else
            {
                this.wmp.close();
                this.picPan.Visible = true;
                this.listPan.Visible = false;
                btn.Text = "播放";
            }
        }
        //文件列表按钮
        private void listBtn_Click(object sender, EventArgs e)
        {
            this.listPan.Visible = !this.listPan.Visible;
            //System.Windows.Forms.Button btn1 = new System.Windows.Forms.Button();


            /*this.closeBtn.Location = new System.Drawing.Point(693, 457);
            this.closeBtn.Name = "closeBtn";
            this.closeBtn.Size = new System.Drawing.Size(75, 23);
            this.closeBtn.TabIndex = 3;
            this.closeBtn.Text = "停止";
            this.closeBtn.UseVisualStyleBackColor = true;
            this.closeBtn.Click  = new System.EventHandler(this.closeBtn_Click);*/
        }
        
        private void initList()
        {
            /*for (int i = 0; i < 35; i  )
            {
                Button label = new Button();
                label.Location = new System.Drawing.Point(0, 23 * i);
                label.Size = new System.Drawing.Size(75, 23);
                label.BackColor = System.Drawing.Color.Blue;
                label.Text = "kkkkkkkk"   i;
                //label.TabIndex = 10   i;
                label.Click  = new System.EventHandler(this.label_Click);
                this.listPan.Controls.Add(label);
            }*/

            this.listPan.AutoScroll = true;
            //禁止窗体放大缩小
            this.MinimizeBox = true;
            this.MaximizeBox = true;
            this.AutoSizeMode = System.Windows.Forms.AutoSizeMode.GrowAndShrink;
            //this.listPan.MouseLeave  = new System.EventHandler(this.listPan_MouseLeave);
            //this.picPan.MouseMove  = new System.EventHandler(this.wmp_Enter);

            DirectoryInfo di = new DirectoryInfo(url);
            int i = 0;
            try
            {
                foreach (FileInfo f in di.GetFiles())
                {
                    Label label = new Label();
                    label.Location = new System.Drawing.Point(10, 23 * i     10);
                    label.Size = new System.Drawing.Size(75, 23);
                    label.BackColor = System.Drawing.Color.Blue;
                    label.ForeColor = System.Drawing.Color.White;
                    label.Text = f.Name;
                    //label.TabIndex = 10   i;
                    label.Click  = new System.EventHandler(this.label_Click);
                    this.listPan.Controls.Add(label);
                }
            }
            catch (Exception ex)
            {

            }
        }
        private void label_Click(object sender, EventArgs e)
        {
            //this.closeBtn.Text = ((Label)this.Controls["label"]).Text;
            //this.closeBtn.Text = ((Button)sender).Text;
            activeUrl = url   ((Label)sender).Text;
            this.wmp.URL = url   ((Label)sender).Text;
            this.playBtn.Text = "暂停";
            this.Text = "点播视频   "   ((Label)sender).Text.Split('.')[0];
            this.picPan.Visible = false;
        }


        /*
            URL:String; 指定媒体位置，本机或网络地址
            uiMode:String; 播放器界面模式，可为Full, Mini, None, Invisible
            playState:integer; 播放状态，1=停止，2=暂停，3=播放，6=正在缓冲，9=正在连接，10=准备就绪
            enableContextMenu:Boolean; 启用/禁用右键菜单
            fullScreen:boolean; 是否全屏显示
            [controls] wmp.controls //播放器基本控制
            controls.play; 播放
            controls.pause; 暂停
            controls.stop; 停止
            controls.currentPosition:double; 当前进度
            controls.currentPositionString:string; 当前进度，字符串格式。如“00:23”
            controls.fastForward; 快进
            controls.fastReverse; 快退
            controls.next; 下一曲
            controls.previous; 上一曲
            [settings] wmp.settings //播放器基本设置
            settings.volume:integer; 音量，0-100
            settings.autoStart:Boolean; 是否自动播放
            settings.mute:Boolean; 是否静音
            settings.playCount:integer; 播放次数
            [currentMedia] wmp.currentMedia //当前媒体属性
            currentMedia.duration:double; 媒体总长度
            currentMedia.durationString:string; 媒体总长度，字符串格式。如“03:24”
            currentMedia.getItemInfo(const string); 获取当前媒体信息"Title"=媒体标题，"Author"=艺术家，"Copyright"=版权信息，"Description"=媒体内容描述，"Duration"=持续时间（秒），"FileSize"=文件大小，"FileType"=文件类型，"sourceURL"=原始地址
            currentMedia.setItemInfo(const string); 通过属性名设置媒体信息
            currentMedia.name:string; 同 currentMedia.getItemInfo("Title")
            [currentPlaylist] wmp.currentPlaylist //当前播放列表属性
            currentPlaylist.count:integer; 当前播放列表所包含媒体数
            currentPlaylist.Item[integer]; 获取或设置指定项目媒体信息，其子属性同wmp.currentMedia
         */
    }
}