https://learn.microsoft.com/cs-cz/dotnet/api/system.addin.pipeline.contracthandle.contractownsappdomain?view=netframework-4.8.1
ContractHandle.ContractOwnsAppDomain(IContract, AppDomain) Method (System.AddIn.Pipeline) |...
Determines whether an application domain is owned by the specified contract.
methodsystemaddinpipeline