CODEWITHSUNDEEP
.net
payo
payo

Reputation: 4561

.NET 4.0 dll loading 4.5

Can an assembly that has been targeted for 4.0 load an assembly that was targeted for 4.5?

For example, a project targeting 3.5 cannot load assemblies that were built against 4.0.

Upvotes: 0

Views: 1811

Answers (2)

Sam Axe
Sam Axe

Reputation: 33738

4.5 is an inplace update to 4.0. So yes.

An assembly built against Fx 4.0 can not reference an assembly built against Fx 4.5.

However

An assembly built against Fx 4.5 can reference an assembly built against Fx 4.0.

Upvotes: 4

Varun
Varun

Reputation: 274

I think it's a bad idea since your .NET4 app will also run on the machine with .NET4 only (without .NET4.5 installed). In this case, your app may run into issues because it may be trying to .NET4.5 functionality but .NET4.5 is not present on the machine. I strongly recommend building .NET4.5 app instead.

Upvotes: 0

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