100分求C#版的DirectSound示范程序

http://www.c-sharpcorner.com/Code/2003/Jan/DotNetPiano.asp

using System;
using System.Drawing;
using System.Windows.Forms;
using System.IO;
using Microsoft.DirectX;
using Microsoft.DirectX.DirectSound;
using Buffer = Microsoft.DirectX.DirectSound.SecondaryBuffer;public class MainForm : Form
{
    private System.ComponentModel.Container components = null;
    private Button btnSoundfile;
    private Label lblFilename;
    private CheckBox cbLoopCheck;
    private Button btnPlay;
    private Button btnStop;
    private Button btnCancel;

    private SecondaryBuffer ApplicationBuffer = null;
    private Device ApplicationDevice = null;
    private string PathSoundFile = string.Empty;    public static int Main(string[] Args)
    {
        Application.Run(new MainForm());
        return 0;
    }

    protected override void Dispose( bool disposing )
    {
        if(disposing)
        {
            if (null != components)
            {
                components.Dispose();
            }
        }
        base.Dispose(disposing);
    }
    public MainForm()
    {
        //
        // Required for Windows Form Designer support
        //
        InitializeComponent();
    }
    #region InitializeComponent code
    private void InitializeComponent()
    {
this.btnSoundfile = new System.Windows.Forms.Button();
this.lblFilename = new System.Windows.Forms.Label();
this.cbLoopCheck = new System.Windows.Forms.CheckBox();
this.btnPlay = new System.Windows.Forms.Button();
this.btnStop = new System.Windows.Forms.Button();
this.btnCancel = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// btnSoundfile
//
this.btnSoundfile.Location = new System.Drawing.Point(12, 12);
this.btnSoundfile.Name = "btnSoundfile";
this.btnSoundfile.Size = new System.Drawing.Size(83, 22);
this.btnSoundfile.TabIndex = 0;
this.btnSoundfile.Text = "Sound &file...";
this.btnSoundfile.Click += new System.EventHandler(this.btnSoundfile_Click);
//
// lblFilename
//
this.lblFilename.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
this.lblFilename.Location = new System.Drawing.Point(113, 12);
this.lblFilename.Name = "lblFilename";
this.lblFilename.Size = new System.Drawing.Size(414, 22);
this.lblFilename.TabIndex = 1;
this.lblFilename.Text = "No file loaded.";
this.lblFilename.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
//
// cbLoopCheck
//
this.cbLoopCheck.Enabled = false;
this.cbLoopCheck.Location = new System.Drawing.Point(11, 47);
this.cbLoopCheck.Name = "cbLoopCheck";
this.cbLoopCheck.Size = new System.Drawing.Size(104, 18);
this.cbLoopCheck.TabIndex = 2;
this.cbLoopCheck.Text = "&Loop sound";
//
// btnPlay
//
this.btnPlay.Enabled = false;
this.btnPlay.Location = new System.Drawing.Point(125, 52);
this.btnPlay.Name = "btnPlay";
this.btnPlay.Size = new System.Drawing.Size(90, 24);
this.btnPlay.TabIndex = 3;
this.btnPlay.Text = "&Play";
this.btnPlay.Click += new System.EventHandler(this.btnPlay_Click);
//
// btnStop
//
this.btnStop.Enabled = false;
this.btnStop.Location = new System.Drawing.Point(224, 52);
this.btnStop.Name = "btnStop";
this.btnStop.Size = new System.Drawing.Size(90, 24);
this.btnStop.TabIndex = 4;
this.btnStop.Text = "&Stop";
this.btnStop.Click += new System.EventHandler(this.btnStop_Click);
//
// btnCancel
//
this.btnCancel.Location = new System.Drawing.Point(437, 52);
this.btnCancel.Name = "btnCancel";
this.btnCancel.Size = new System.Drawing.Size(90, 24);
this.btnCancel.TabIndex = 5;
this.btnCancel.Text = "E&xit";
this.btnCancel.Click += new System.EventHandler(this.btnCancel_Click);
//
// MainForm
//
this.AcceptButton = this.btnSoundfile;
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(540, 82);
this.Controls.Add(this.btnSoundfile);
this.Controls.Add(this.lblFilename);
this.Controls.Add(this.cbLoopCheck);
this.Controls.Add(this.btnPlay);
this.Controls.Add(this.btnStop);
this.Controls.Add(this.btnCancel);
this.Name = "MainForm";
this.Text = "PlaySound";
this.Load += new System.EventHandler(this.MainForm_Load);
this.ResumeLayout(false); }
    #endregion    private void btnCancel_Click(object sender, System.EventArgs e)
    {
        Close();
    }    private void btnStop_Click(object sender, System.EventArgs e)
    {
        if(null != ApplicationBuffer)
            ApplicationBuffer.Stop();
    }    private void btnSoundfile_Click(object sender, System.EventArgs e)
    {
        OpenFileDialog ofd = new OpenFileDialog();        if(string.Empty == PathSoundFile)
               PathSoundFile = DXUtil.SdkMediaPath;        ofd.InitialDirectory = PathSoundFile;
        ofd.Filter=  "Wave files(*.wav)|*.wav";        if( DialogResult.Cancel == ofd.ShowDialog() )
            return;

        if(LoadSoundFile(ofd.FileName))
        {
            PathSoundFile = Path.GetDirectoryName(ofd.FileName);
            lblFilename.Text = Path.GetFileName(ofd.FileName);
            EnablePlayUI(true);
        }
        else
        {
            lblFilename.Text = "No file loaded.";
            EnablePlayUI(false);
        }
    }    private bool LoadSoundFile(string name)
    {
        try
        {
            ApplicationBuffer = new SecondaryBuffer(name, ApplicationDevice);
        }
        catch(SoundException)
        {
            return false;
        }
        return true;
    }    private void EnablePlayUI(bool enable)
    {
        if (enable)
        {
            cbLoopCheck.Enabled = true;
            btnCancel.Enabled = true;
            btnPlay.Enabled = true;
            btnStop.Enabled = true;
        }
        else
        {
            cbLoopCheck.Enabled = false;
            btnCancel.Enabled = false;
            btnPlay.Enabled = false;
            btnStop.Enabled = false;
        }
    }    private void MainForm_Load(object sender, System.EventArgs e)
    {
        ApplicationDevice = new Device();
        ApplicationDevice.SetCooperativeLevel(this, CooperativeLevel.Priority);
    }    private void btnPlay_Click(object sender, System.EventArgs e)
    {
        if(null != ApplicationBuffer)
            ApplicationBuffer.Play(0, (cbLoopCheck.Checked ? BufferPlayFlags.Looping : BufferPlayFlags.Default));
    }
}

To: calmhawkaaa(风中枫叶) & comeon_data(我在床上⊙⊙看程序)
你们提供的源程序就是DirectX9 SDK中的示例程序啊，这个程序并不是播放Stream Data，而是直接播放文件。

调试易

100分求C#版的DirectSound示范程序

解决方案 »