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Calling convention must be VarArgs exception thrown for properties on generic classes

Found in

EPiServer.CMS.Core 11.18.0

Fixed in

EPiServer.CMS.Core 11.20.1

(Or a related package)

Created

Oct 06, 2020

Updated

Oct 27, 2020

Area

CMS Core

State

Closed, Fixed and tested

Description

ContentModelILCompiler throws an exception if an interceptable property is declared on a generic class. For example: 

 

public class Content : BaseContent<int> { }
public abstract class BaseContent<TModel> : ContentData
{     public virtual bool Boolean \{ get; set; }
}

 

The thrown exception is an InvalidOperationException: "Calling convention must be VarArgs."