relaycommand

Ok, I found the glitch. Int the MainViewModel class, the TestViewModel property should be changed from: public IViewModel TestViewModel { get { return m_testViewModel; } set { m_testViewModel = value; OnPropertyChanged(“NewViewModel”); } } To: public IViewModel TestViewModel { get { return m_testViewModel; } set { m_testViewModel = value; OnPropertyChanged(“TestViewModel”); } } solved Creating abstract ViewModels … Read more