如何在 C# 中将值类型转换为 byte[]? [英] how to convert a value type to byte[] in C#?

问题描述

我想做这样的事情:

byte[] byteArray;
enum commands : byte {one, two};
commands content = one;
byteArray = (byte*)&content;

是的，它现在是一个字节，但考虑到我将来想改变它吗?如何让 byteArray 包含内容?(我不想复制它).

yes, it's a byte now, but consider I want to change it in the future? how do I make byteArray contain content? (I don't care to copy it).

推荐答案

BitConverter 类可能正是您要找的.示例:

The BitConverter class might be what you are looking for. Example:

int input = 123;
byte[] output = BitConverter.GetBytes(input);

如果您的枚举已知是 Int32 派生类型，您可以简单地先转换其值:

If your enum was known to be an Int32 derived type, you could simply cast its values first:

BitConverter.GetBytes((int)commands.one);

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