C#播发mid格式音频

C#播放mid格式音频
我之前用Java写了一个2048的游戏，现在在用winform写，但是之前在Java里面播放背景音乐支持mid格式的，开始在C#里面好像只有WAV格式的，但WAV格式文件太大了，还是想要用mid格式，请问有什么方法呢?可以给出代码吗？谢谢
------解决思路----------------------
播放avi、mid、wav音频格式文件
//播放音频文件界面设置
 private void 选取文件_Click(object sender, EventArgs e)
        {
            this.optFile.ShowDialog();//打开“打开”对话框
            this.axWindowsMediaPlayer1.newMedia(this.optFile.FileName);//加载选择的文件
        }

        private void 播放文件_Click(object sender, EventArgs e)
        {
            this.axWindowsMediaPlayer1.URL = this.optFile.FileName;//播放文件
        }

        private void 停止_Click(object sender, EventArgs e)
        {
            this.axWindowsMediaPlayer1.close();//停止播放
        }

        private void 退出_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }
 // 使用代码编辑器修改此方法的内容。
             private void InitializeComponent()
        {
            System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(Form1));
            this.menuStrip1 = new System.Windows.Forms.MenuStrip();
            this.文件FToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.选取文件 = new System.Windows.Forms.ToolStripMenuItem();
            this.播放文件 = new System.Windows.Forms.ToolStripMenuItem();
            this.停止 = new System.Windows.Forms.ToolStripMenuItem();
            this.退出 = new System.Windows.Forms.ToolStripMenuItem();
            this.optFile = new System.Windows.Forms.OpenFileDialog();
            this.axWindowsMediaPlayer1 = new AxWMPLib.AxWindowsMediaPlayer();
            this.menuStrip1.SuspendLayout();
            ((System.ComponentModel.ISupportInitialize)(this.axWindowsMediaPlayer1)).BeginInit();
            this.SuspendLayout();
                   this.menuStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
            this.文件FToolStripMenuItem});
            this.menuStrip1.Location = new System.Drawing.Point(0, 0);
            this.menuStrip1.Name = "menuStrip1";
            this.menuStrip1.Size = new System.Drawing.Size(434, 25);
            this.menuStrip1.TabIndex = 1;
            this.menuStrip1.Text = "menuStrip1";
            // 文件FToolStripMenuItem
            this.文件FToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
            this.选取文件,
            this.播放文件,
            this.停止,
            this.退出});
            this.文件FToolStripMenuItem.Name = "文件FToolStripMenuItem";
            this.文件FToolStripMenuItem.Size = new System.Drawing.Size(58, 21);
            this.文件FToolStripMenuItem.Text = "文件(&F)";
            
            // 选取文件
            
            this.选取文件.Name = "选取文件";
            this.选取文件.Size = new System.Drawing.Size(140, 22);
            this.选取文件.Text = "选取文件(&C)";
            this.选取文件.Click += new System.EventHandler(this.选取文件_Click);
            
            // 播放文件
            
            this.播放文件.Name = "播放文件";
            this.播放文件.Size = new System.Drawing.Size(140, 22);
            this.播放文件.Text = "播放文件(&P)";
            this.播放文件.Click += new System.EventHandler(this.播放文件_Click);
            
            // 停止
            
            this.停止.Name = "停止";
            this.停止.Size = new System.Drawing.Size(140, 22);
            this.停止.Text = "停止(&S)";
            this.停止.Click += new System.EventHandler(this.停止_Click);
            
            // 退出
            
            this.退出.Name = "退出";
            this.退出.Size = new System.Drawing.Size(140, 22);
            this.退出.Text = "退出(&E)";
            this.退出.Click += new System.EventHandler(this.退出_Click);
             
            // optFile
            
            this.optFile.FileName = "openFileDialog1";
            this.optFile.Filter = "视频文件(*.avi)
------解决思路----------------------
*.avi
------解决思路----------------------
音频文件 (*.mid)
------解决思路----------------------
*.mid
------解决思路----------------------
音频文件 (*.wav)
------解决思路----------------------
*.wav";
             
            // axWindowsMediaPlayer1
           
            this.axWindowsMediaPlayer1.Dock = System.Windows.Forms.DockStyle.Fill;
            this.axWindowsMediaPlayer1.Enabled = true;
            this.axWindowsMediaPlayer1.Location = new System.Drawing.Point(0, 25);
            this.axWindowsMediaPlayer1.Name = "axWindowsMediaPlayer1";
            this.axWindowsMediaPlayer1.OcxState = ((System.Windows.Forms.AxHost.State)(resources.GetObject("axWindowsMediaPlayer1.OcxState")));
            this.axWindowsMediaPlayer1.Size = new System.Drawing.Size(434, 270);
            this.axWindowsMediaPlayer1.TabIndex = 2;
             
            // Form1
            
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(434, 295);
            this.Controls.Add(this.axWindowsMediaPlayer1);
            this.Controls.Add(this.menuStrip1);
            this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
            this.MainMenuStrip = this.menuStrip1;
            this.Name = "Form1";
            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
            this.Text = "播放指定的avi-mid-wav文件";
            this.menuStrip1.ResumeLayout(false);
            this.menuStrip1.PerformLayout();
            ((System.ComponentModel.ISupportInitialize)(this.axWindowsMediaPlayer1)).EndInit();
            this.ResumeLayout(false);
            this.PerformLayout();
        }//CodeGo.net/
        #endregion
        private System.Windows.Forms.MenuStrip menuStrip1;
        private System.Windows.Forms.ToolStripMenuItem 文件FToolStripMenuItem;
        private System.Windows.Forms.ToolStripMenuItem 选取文件;
        private System.Windows.Forms.ToolStripMenuItem 播放文件;
        private System.Windows.Forms.ToolStripMenuItem 停止;
        private System.Windows.Forms.ToolStripMenuItem 退出;
        private System.Windows.Forms.OpenFileDialog optFile;
        private AxWMPLib.AxWindowsMediaPlayer axWindowsMediaPlayer1;
    }