问题
Consider the requirement to always declare Option Strict On. We'll always need to declare variables with the As keyword. What would be the type of an anonymous type?
Example : Dim product As ... = New With { Key .Name = "paperclips", .Price = 1.29 }
What will follow the As?
回答1:
try either setting Option Infer On at the top of the class or a project level
回答2:
Add an Option Infer On statement, then you don't use As. If you don't use Option Infer On, product will be of type Object (but you'd have to make Option Strict Off to compile). With type inference on, it will be type (compiler generated).
来源：https://stackoverflow.com/questions/3451434/vb-net-which-as-clause-to-use-with-anonymous-type-with-option-strict-on