public static Type FindIEnumerable(Type seqType)
{
Type result;
if (seqType == null || seqType == typeof(string))
{
result = null;
}
else if (seqType.IsArray)
{
result = typeof(IEnumerable <>).MakeGenericType(new Type[]
{
seqType.GetElementType()
});
}
else
{
if (seqType.IsGenericType)
{
Type[] array = seqType.GetGenericArguments();
for (int i = 0; i < array.Length; i++)
{
Type type = array[i];
Type type2 = typeof(IEnumerable <>).MakeGenericType(new Type[]
{
type
});
if (type2.IsAssignableFrom(seqType))
{
result = type2;
return(result);
}
}
}
Type[] interfaces = seqType.GetInterfaces();
if (interfaces != null && interfaces.Length > 0)
{
Type[] array = interfaces;
for (int i = 0; i < array.Length; i++)
{
Type seqType2 = array[i];
Type type2 = AiTypeHelper.FindIEnumerable(seqType2);
if (type2 != null)
{
result = type2;
return(result);
}
}
}
if (seqType.BaseType != null && seqType.BaseType != typeof(object))
{
result = AiTypeHelper.FindIEnumerable(seqType.BaseType);
}
else
{
result = null;
}
}
return(result);
}
public static Type GetElementType(Type seqType)
{
Type type = AiTypeHelper.FindIEnumerable(seqType);
Type result;
if (type == null)
{
result = seqType;
}
else
{
result = type.GetGenericArguments()[0];
}
return(result);
}