实现托管属性处理程序Shell扩展的正确方法是什么?

Now that .NET CLR 4.0 supports side by side (SxS) operation it should now be possible to write shell extensions in managed code. I have attempted this and successfully coded a Property Handler that implements IPropertyStore, IInitializeWithStream and IPropertyStoreCapabilities. Now that .NET CLR 4.0 supports side by side (Sx