问题描述
这就是会返回一个退出code在许多.NET异常的一些（特别是COM例外，我认为）。
This is a number that's returned as an exit code in many .NET exceptions (particularly COM exceptions, I think).
<一个href="http://stackoverflow.com/questions/1935166/what-is-the-x$c$c-field-of-the-net-exception-type">In这个问题有人用反射地发现，这个值被初始化为私有变量在几乎所有异常的构造。
In this question someone used Reflector to find out that this value was initialized to a private variable in nearly every Exception constructor.
我的问题是，为什么呢？确实这个数字有什么意义呢？很难相信，这是任意选择。我甚至不看任何数字的意义（例如，在它的二进制或十六进制再presentation）。
My question is, why? What significance does this number have? It's hard to believe that it was chosen arbitrarily. I don't even see any numeric significance (e.g., in its binary or hex representation).
推荐答案
你有没有留意它的十六进制再presentation， E0434F4D ？这里有一个简要说明：
Did you pay attention to its hex representation, E0434F4D? Here's a brief synopsis:
E0 - represents E
43 - ASCII for C
4F - ASCII for O
4D - ASCII for M
因此，它是 ECOM ，或从COM异常。
So it's ECOM, or "exception from COM".
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