问题
I am trying to understand MEF and I am seeing references to MEF and MEF 2.
This site lists MEF2 as being much faster than MEF (4.0).
I need to understand what I am talking about when most people say MEF.
So which is in the .NET Framework 4.5? MEF or MEF2?
回答1:
Well to make it even more confusing Microsoft released three versions of MEF using two only unique names: MEF and MEF2
- System.ComponentModel.Composition.* MEF in .NET 4 (typically called just MEF), no support for CompositionScopes, ExportFactories, etc
- System.ComponentModel.Composition.* MEF2 in .NET 4.5 (sometimes called MEF2 or MEF), support for composition scopes, ExportFactories
- System.Compostion.* from independent package Microsoft.Composition lightweight version of MEF typically called MEF2
The benchmark site refers to lightweight MEF2 System.Compostion.* from Microsoft.Composition package.
来源：https://stackoverflow.com/questions/33484403/is-mef-or-mef2-baked-into-the-net-framework