inotifydataerrorinfo

INotifyDataErrorInfo ArgumentOutOfRangeException when raising ErrorsChanged event

This is a wierd one and at this point I am thinking that it may have something to do with my machines configuration. Basically I have created a pretty standard implementation of INotifyDataErrorInfo and in certain circumstances, when raising the ErrorsChanged event I get an ArgumentOutOfRangeException. This exception doesn't contain muc...