How to check if a class inherits another class without instantiating it

Question

Suppose I have a class that looks like this     class Derived      some inheritance stuff here       I want to check something like this in my code     Derived is SomeType    But looks like is operator need Derived to be variable of type Dervied  not Derived itself  I don t want to create an object of type Derived  How can I make sure Derived inherits SomeType without instantiating it     P S  If it helps  I want something like what where keyword does with generics  EDIT  Similar to this answer  but it s checking an object  I want to check the class itself

User · Accepted Answer

To check for  assignability  you can use the Type IsAssignableFrom method   typeof SomeType  IsAssignableFrom typeof Derived     This will work as you expect for type-equality  inheritance-relationships and interface-implementations but not when you are looking for  assignability  across explicit   implicit conversion operators   To check for strict inheritance  you can use Type IsSubclassOf   typeof Derived  IsSubclassOf typeof SomeType

User · Answer

Try this  typeof IFoo  IsAssignableFrom typeof BarClass      This will tell you whether BarClass Derived  implements IFoo SomeType  or not

[c#] How to check if a class inherits another class without instantiating it?

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