ICommand.CanExecute() and NullReferenceException

by Christoph Menge in .NET

Have you ever tried to call ICommand.CanExecute()? It actually works fine, but only if you are not as naive as I am… Simply calling it without the proper know-how might result in a NullReferenceException, so what you should read is how to implement ICommandSource. See MSDN: How To: Implement ICommandSource MSDN: Implement ICommandSource Sample. Not [...]

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