c#（简单的播放器）

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace WindowsApplication1
{
 /// <summary>
 /// Form1 的摘要说明。
 /// </summary>
 public class Form1 : System.Windows.Forms.Form
 {
  private AxWMPLib.AxWindowsMediaPlayer axWindowsMediaPlayer1;
  private System.Windows.Forms.Button button1;
  private System.Windows.Forms.Button button2;
  private System.Windows.Forms.Button button3;
  private System.Windows.Forms.OpenFileDialog openFileDialog1;
  /// <summary>
  /// 必需的设计器变量。
  /// </summary>
  private System.ComponentModel.Container components = null;

  public Form1()
  {
   //
   // Windows 窗体设计器支持所必需的
   //
   InitializeComponent();

   //
   // TODO: 在 InitializeComponent 调用后添加任何构造函数代码
   //
  }

  /// <summary>
  /// 清理所有正在使用的资源。
  /// </summary>
  protected override void Dispose( bool disposing )
  {
   if( disposing )
   {
    if (components != null)
    {
     components.Dispose();
    }
   }
   base.Dispose( disposing );
  }

  #region Windows 窗体设计器生成的代码
  /// <summary>
  /// 设计器支持所需的方法 - 不要使用代码编辑器修改
  /// 此方法的内容。
  /// </summary>
  private void InitializeComponent()
  {
   System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Form1));
   this.axWindowsMediaPlayer1 = new AxWMPLib.AxWindowsMediaPlayer();
   this.button1 = new System.Windows.Forms.Button();
   this.button2 = new System.Windows.Forms.Button();
   this.button3 = new System.Windows.Forms.Button();
   this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();
   ((System.ComponentModel.ISupportInitialize)(this.axWindowsMediaPlayer1)).BeginInit();
   this.SuspendLayout();
   //
   // axWindowsMediaPlayer1
   //
   this.axWindowsMediaPlayer1.Enabled = true;
   this.axWindowsMediaPlayer1.Location = new System.Drawing.Point(0, 0);
   this.axWindowsMediaPlayer1.Name = "axWindowsMediaPlayer1";
   this.axWindowsMediaPlayer1.OcxState = ((System.Windows.Forms.AxHost.State)(resources.GetObject("axWindowsMediaPlayer1.OcxState")));
   this.axWindowsMediaPlayer1.Size = new System.Drawing.Size(344, 224);
   this.axWindowsMediaPlayer1.TabIndex = 0;
  
   //
   // button1
   //
   this.button1.Location = new System.Drawing.Point(136, 248);
   this.button1.Name = "button1";
   this.button1.TabIndex = 1;
   this.button1.Text = "播放";
   this.button1.Click += new System.EventHandler(this.button1_Click);
   //
   // button2
   //
   this.button2.Location = new System.Drawing.Point(248, 248);
   this.button2.Name = "button2";
   this.button2.TabIndex = 2;
   this.button2.Text = "暂停";
   this.button2.Click += new System.EventHandler(this.button2_Click);
   //
   // button3
   //
   this.button3.Location = new System.Drawing.Point(16, 248);
   this.button3.Name = "button3";
   this.button3.TabIndex = 3;
   this.button3.Text = "打开";
   this.button3.Click += new System.EventHandler(this.button3_Click);
   //
   // Form1
   //
   this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
   this.ClientSize = new System.Drawing.Size(344, 295);
   this.Controls.Add(this.button3);
   this.Controls.Add(this.button2);
   this.Controls.Add(this.button1);
   this.Controls.Add(this.axWindowsMediaPlayer1);
   this.Name = "Form1";
   this.Text = "Form1";
   ((System.ComponentModel.ISupportInitialize)(this.axWindowsMediaPlayer1)).EndInit();
   this.ResumeLayout(false);

  }
  #endregion

  /// <summary>
  /// 应用程序的主入口点。
  /// </summary>
  [STAThread]
  static void Main()
  {
   Application.Run(new Form1());
  }

  private void button3_Click(object sender, System.EventArgs e)
  {
   if(this.openFileDialog1.ShowDialog()==DialogResult.OK)
   {
    this.axWindowsMediaPlayer1.URL=this.openFileDialog1.FileName;
   }

            this.axWindowsMediaPlayer1.Ctlcontrols.stop();
  }
  private void button1_Click(object sender, System.EventArgs e)
  {
   this.axWindowsMediaPlayer1.Ctlcontrols.play();
  }

  private void button2_Click(object sender, System.EventArgs e)
  {
     this.axWindowsMediaPlayer1.Ctlcontrols.pause();
  }
 }
}