Wednesday, November 23, 2005
Don't underestimate simple APIs

I was playing around with PlaySound today (no pun intended) and was kind of surprised to find that I could play an embedded resource wave file with one line of code (well one line past the P/Invoke declaration):

using System.IO;
using System.Reflection;
using System.Runtime.InteropServices;

....

// P/Invoke declarations....
[DllImport("CoreDll.DLL", EntryPoint="PlaySound", SetLastError=true)]
private extern static int PlaySound(byte[] szSound, IntPtr hMod, SoundFlags flags);

[Flags]
enum SoundFlags
{
  Alias = 0x00010000,
  Filename = 0x00020000,
  Synchronous = 0x00000000,
  Asynchronous = 0x00000001,
  Memory = 0x00000004,
  Loop = 0x00000008,
  NoStop = 0x00000010
}

...

PlaySound(((MemoryStream)Assembly.GetExecutingAssembly(
  ).GetManifestResourceStream(
  "AudioTest.tada.wav")).GetBuffer(),
  IntPtr.Zero,
  SoundFlags.Synchronous | SoundFlags.Memory);
.NET Compact Framework | Compact Framework Code
11/23/2005 12:41:54 PM (Eastern Standard Time, UTC-05:00)  #    Comments [0]  | 
Name
E-mail
Home page

Comment (HTML not allowed)  

Enter the code shown (prevents robots):