Get Argument Values From Linq Expression

If you even find yourself unpacking an expression in C#, you might find this useful. I found myself in need of obtaining a list of argument values from within an Expression<func> expression that sometimes had chained method calls. For example, I needed to be able to get the arguments from all of the following…

SomeMethod(() => getInformation.ForCustomer(CustomerId));

SomeMethod(() => MyFactory.GetInformation().ForCustomer(CustomerId));

SomeMethod(() => MyFactory.GetInformation().ForCustomer(CustomerId).ToList());

In the end, I created a couple of extension methods to help. One converts an expression into a MethodCallExpression (if that is a valid conversion), which is a type that has arguments. The second recursively searches for the arguments.

巴特西

Get Argument Values From Linq Expression

Get Argument Values From Linq Expression

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