How can I define a IDataErrorInfo Error Property for multiple BO properties

Question

I\'m starting to implement validation in my WPF project via the IDataErrorInfo interface. My business object contains multiple properties with validation info. How do I get a l

Answer 1

My understanding is that to use this interface, you enumerate the properties on the object, and call the indexer once for each property. It is the caller's responsibility to aggregate any error messages.