WPF MVVM: How to close a window

Question

I have a Button that closes my window when it\'s clicked:

Ok

Answer 1

You can do it without code behind. Create command, in Execute method call "Save" method on viewmodel and after that call close method on edit window, which you can pass to the command by parameter:

public void Execute(object parameter)
{
    _mainViewModel.SaveSomething();
    var editWindow = parameter as MyEditWindow;
    editWindow?.Close();
}

Save&Close button XAML: