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C# Reflection: What is the difference between FieldInfo.SetValue() and FieldInfo.SetValueDirect()?

问题描述:

The FieldInfo documentation I was able to find did not compare and contrast these two methods. I am interested in understanding when one should be used over the other (preferably with a small code snippet).

网友答案:

SetValueDirect takes a TypedReference parameter, and as such it is to be used when varargs parameter interoperability is needed. This performs no boxing/unboxing of values and no access checking. It runs faster than SetValue.

SetValue on the other hand operates on pretty much everything else. It performs boxing/unboxing of the parameter where needed, and also checks for access.

There are SO's that discuss TypedReferences here and here - there are code examples in both.

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