Cross-property validation in WPF MvvM

In a previous post I have described hot to utilize a INotifyDataErrorInfo interface. Today I will show you my solution for automated cross-property validation integrated with the ModelValidation base class from previous post. First I add a custom CrossValidationAttribute and later on a virtual method which will be called from above CrossValidationAttribute for each property mar…

By Mirek on (tags: CustomValidationAttribute, mvvm, validation, WPF, categories: code)