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POC++/CLI: Implementing an abstract C# class that implements INotifyPropertyChanged results in C++ compiler error C3766
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  1. POC++/CLI: Implementing an abstract C# class that implements INotifyPropertyChanged results in C++ compiler error C3766
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    copied!<p>I'm trying to implement an abstract C# class in C++/CLI. This abstract base class is already implementing INotifyPropertyChanged and as mentioned written in C#:</p> <pre><code>public abstract class BaseClass : INotifyPropertyChanged </code></pre> <p>In the C++/CLI assembly, I do have another interface that implements INotifyPropertyChanged:</p> <pre><code>public interface class IAnotherNotifyPropertyChangedClass : public INotifyPropertyChanged </code></pre> <p>Now, when inheriting from the abstract C# class BaseClass and implementing IAnotherNotifyPropertyChangedClass in C++/CLI I get the following:</p> <pre><code>public ref class AnotherNotifyPropertyChangedClass : public BaseClass, public IAnotherNotifyPropertyChangedClass </code></pre> <p>This results then in following compiling error:</p> <pre><code>error C3766: 'AnotherNotifyPropertyChangedClass' must provide an implementation for the interface method 'void System::ComponentModel::INotifyPropertyChanged::PropertyChanged::add(System::ComponentModel::PropertyChangedEventHandler ^)' </code></pre> <p>As soon as I remove the INotifyPropertyChanged from IAnotherNotifyPropertyChangedClass interface declaration, everything compiles fine. Why is that? This declaration would compile fine when using C#. I'm using VS 2012 and compile a .NET 3.5 mixed mode assembly.</p> <p>Thanks in advance!</p> <p>Cheers!</p> <p>Edit: Similar problem (w/o C#) here: <a href="http://social.msdn.microsoft.com/Forums/en-US/winappswithnativecode/thread/3047b8d1-348c-4ca6-b3f3-c396c03fedf7/" rel="nofollow">http://social.msdn.microsoft.com/Forums/en-US/winappswithnativecode/thread/3047b8d1-348c-4ca6-b3f3-c396c03fedf7/</a> So is this behavior in C++/CLI by design?!</p>
 

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