在C#中开放视频播放器示例

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Forms;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace WpfApplication1
{
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }
        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
        }
        private void ADDMEDIA_Click(object sender, RoutedEventArgs e)
        {
            OpenFileDialog open = new OpenFileDialog();
            open.AddExtension = true;
            open.DefaultExt = "*.*";
            open.Filter = "Media(*.*)|*.*";
            open.ShowDialog();
            mediaElement1.MediaOpened += new RoutedEventHandler(mediaElement1_MediaOpened);
            mediaElement1.Source = new Uri(open.FileName);
        }
        private void Play_Click(object sender, RoutedEventArgs e)
        {
            mediaElement1.Play();
        }
        private void PAUSE_Click(object sender, RoutedEventArgs e)
        {
            mediaElement1.Pause();
        }
        private void STOP_Click(object sender, RoutedEventArgs e)
        {
            mediaElement1.Stop();
        }
        void mediaElement1_MediaOpened(object sender, RoutedEventArgs e)
        {
            //label1.Content = mediaElement1.Source.ToString();
        }
    }
}

在C#中 开发一个视频播放器非常简单。
首先，我们必须打开一个新的WPF窗口表单，从工具箱中拖放媒体元素和四个按钮用于播放，暂停，停止，添加视频。
然后编写代码，（双击任一个按钮，进入代码模式）如下所示