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Asked: May 10, 20262026-05-10T19:59:54+00:00 2026-05-10T19:59:54+00:00

I have the following classes public interface InterfaceBase { } public class ImplementA:InterfaceBase {

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I have the following classes

public interface InterfaceBase { }  public class ImplementA:InterfaceBase { }  public class ImplementB:InterfaceBase { }  public void TestImplementType<T>(T obj) where T: InterfaceBase { } 

How to infer what the T is whether ImplementA or ImplementB? I tried to use

typeof(T) is ImplementA 

but this expression is always evaluated to false.

Edit: And how am I going to cast obj to ImplementA or ImplementB?

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  1. 2026-05-10T19:59:55+00:00Added an answer on May 10, 2026 at 7:59 pm

    obj is ImplementA

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