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Improved handling of missing openal32.dll. It used to throw a TypeInitializationException. It now throws a DllNotFoundException.

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This commit is contained in:
the_fiddler 2008-04-13 15:50:22 +00:00
parent 037761c764
commit 23ed50e322
1 changed files with 8 additions and 0 deletions
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8
Source/OpenTK/Audio/AudioContext.cs
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@ -29,6 +29,7 @@ namespace OpenTK.Audio
static object audio_context_lock = new object(); static object audio_context_lock = new object();
static List<string> available_devices = new List<string>(); static List<string> available_devices = new List<string>();
static Dictionary<ContextHandle, AudioContext> available_contexts = new Dictionary<ContextHandle, AudioContext>(); static Dictionary<ContextHandle, AudioContext> available_contexts = new Dictionary<ContextHandle, AudioContext>();
static bool openal_supported = true;
bool context_exists; bool context_exists;
#endregion #endregion
@ -55,6 +56,8 @@ namespace OpenTK.Audio
/// <exception cref="NotSupportedException">Occurs when no audio devices are available.</exception> /// <exception cref="NotSupportedException">Occurs when no audio devices are available.</exception>
public AudioContext()// : this(available_devices.Count > 0 ? available_devices[0] : null, 0, 0, false, 0) { } public AudioContext()// : this(available_devices.Count > 0 ? available_devices[0] : null, 0, 0, false, 0) { }
{ {
if (!openal_supported)
throw new DllNotFoundException("openal32.dll");
CreateContext(null, 0, 0, false, 0); CreateContext(null, 0, 0, false, 0);
} }
@ -186,6 +189,11 @@ namespace OpenTK.Audio
foreach (string s in available_devices) foreach (string s in available_devices)
Debug.WriteLine(s); Debug.WriteLine(s);
} }
catch (DllNotFoundException e)
{
Debug.WriteLine(e.ToString());
openal_supported = false;
}
finally finally
{ {
Debug.Unindent(); Debug.Unindent();