public static void RegisterMetadata(Type customMetadataType)
{
ExTraceGlobals.ActivityContextTracer.TraceDebug <string>(0L, "ActivityContext.RegisterMetadata - adding to the list of supported ActivityContext keys, type {0}.", customMetadataType.Name);
if (!customMetadataType.IsSubclassOf(typeof(Enum)))
{
try
{
throw new ArgumentException(DiagnosticsResources.ExceptionActivityContextEnumMetadataOnly, "customMetadataType");
}
catch (ArgumentException)
{
}
return;
}
Array values = Enum.GetValues(customMetadataType);
ListDictionary listDictionary = new ListDictionary();
lock (ActivityContext.registeredEnumTypes)
{
if (!ActivityContext.registeredEnumTypes.Contains(customMetadataType) && !(customMetadataType == typeof(ActivityReadonlyMetadata)))
{
for (int i = 0; i < values.Length; i++)
{
Enum @enum = (Enum)values.GetValue(i);
string text = DisplayNameAttribute.GetEnumName(@enum);
if (ActivityContext.stringToEnum.ContainsKey(text))
{
text = @enum.GetType().FullName + "." + @enum.ToString();
if (ActivityContext.stringToEnum.ContainsKey(text))
{
try
{
throw new ActivityContextException(DiagnosticsResources.ExceptionActivityContextKeyCollision);
}
catch (ActivityContextException)
{
}
return;
}
}
listDictionary.Add(@enum, text);
}
Dictionary <Enum, Enum> dictionary = new Dictionary <Enum, Enum>(ActivityContext.preBoxedEnumValues);
Dictionary <Enum, string> dictionary2 = new Dictionary <Enum, string>(ActivityContext.enumToString);
Dictionary <string, Enum> dictionary3 = new Dictionary <string, Enum>(ActivityContext.stringToEnum);
foreach (object obj2 in listDictionary)
{
DictionaryEntry dictionaryEntry = (DictionaryEntry)obj2;
ExTraceGlobals.ActivityContextTracer.TraceDebug(0L, "ActivityContext.RegisterMetadata - ({0}, '{1}').", new object[]
{
dictionaryEntry.Key,
dictionaryEntry.Value
});
Enum enum2 = (Enum)dictionaryEntry.Key;
dictionary2[enum2] = (string)dictionaryEntry.Value;
dictionary3[(string)dictionaryEntry.Value] = enum2;
dictionary[enum2] = enum2;
}
ActivityContext.preBoxedEnumValues = dictionary;
ActivityContext.stringToEnum = dictionary3;
ActivityContext.enumToString = dictionary2;
ActivityContext.registeredEnumTypes.Add(customMetadataType);
}
}
}
