C# 用 PictureBox 播放视频

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

using System.Collections;
using System.Runtime.InteropServices;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            PictureBox PlayScreen = pictureBox1;
            string mciCommand;
            mciCommand = "open " + " D:\\filme-ciencias.wmv " + " alias MyAVI ";
            mciCommand = mciCommand + " parent " + PlayScreen.Handle.ToInt32() + " style child ";
            LibWrap.mciSendString(mciCommand, null, 0, 0);
            Rectangle r = PlayScreen.ClientRectangle;
            mciCommand = " put MyAVI window at 0 0 " + r.Width + " " + r.Height;
            LibWrap.mciSendString(mciCommand, null, 0, 0);
            LibWrap.mciSendString(" play MyAVI ", null, 0, 0);
        }
    }
    public class LibWrap
    {
        [DllImport(("winmm.dll "), EntryPoint = "mciSendString", CharSet = CharSet.Auto)]
        public static extern int mciSendString(string lpszCommand, string lpszReturnString,
                    uint cchReturn, int hwndCallback);
    }
}

参考两个网址

http://topic.csdn.net/t/20031015/20/2359753.html

http://www.cnblogs.com/zrx401558287/archive/2008/11/28/1343160.html