public static ObjectId GetArgument(ResultBuffer rb, int index, ObjectId defaultValue)
{
ObjectId result;
try
{
if (rb == null)
{
result = defaultValue;
}
else
{
TypedValue[] array = rb.AsArray();
if (array.Count <TypedValue>() < index + 1)
{
result = defaultValue;
}
else
{
object typedValue = LspUtil.GetTypedValue(array[index]);
if (typedValue is ObjectId)
{
result = (ObjectId)typedValue;
}
else
{
result = defaultValue;
}
}
}
}
catch
{
result = defaultValue;
}
return(result);
}