public ModalViewHost(ModalViewBase modalViewBase)
{
InitializeComponent();
MainContent.Content = modalViewBase;
DataContext = modalViewBase.DataContext;
}
public ModalViewHost(ModalViewBase modalViewBase)
{
InitializeComponent();
MainContent.Content = modalViewBase ?? throw new ArgumentNullException(nameof(modalViewBase));
DataContext = modalViewBase.DataContext;
}