MCIPlayer.cs :  » Business-Application » Tea-Timer-for-Windows » TeaTimer » C# / CSharp Open Source

using System;
using System.Text;
using System.Runtime.InteropServices;
using System.IO;

namespace TeaTimer{
  /// <summary>
  /// MCIPlayer is based off code by Slain.
  /// Found here: http://www.sadeveloper.net/Articles_View.aspx?articleID=212
  /// </summary>
  public class MCIPlayer
  {
    private static readonly string sAlias="TeaTimerAudio";

    [DllImport("winmm.dll")]
    private static extern long mciSendString(string strCommand,StringBuilder strReturn,int iReturnLength, IntPtr hwndCallback);
    [DllImport("Winmm.dll")]
    private static extern long PlaySound(byte[] data, IntPtr hMod, UInt32 dwFlags);

    public static void Play(string sFile)
    {
      _Open(sFile);
      _Play();
    }
    public static void Stop() 
    {
      _Close();
    }

    private static void _Open(string sFileName)
    {
      if(_Status()!="")
        _Close();

      string sCommand = "open \"" + sFileName + "\" alias "+sAlias;
      mciSendString(sCommand, null, 0, IntPtr.Zero);
    }

    private static void _Close()
    {
      string sCommand = "close "+sAlias;
      mciSendString(sCommand, null, 0, IntPtr.Zero);
    }

    private static void _Play()
    {
      string sCommand = "play "+sAlias;
      mciSendString(sCommand, null, 0, IntPtr.Zero);
    }

    private static string _Status()
    {
      StringBuilder sBuffer = new StringBuilder(128);
      mciSendString("status "+sAlias+" mode", sBuffer, sBuffer.Capacity, IntPtr.Zero);
      return sBuffer.ToString();
    }
  }
}