public AddChangeParametr(ChangeDelegate changeDelegate, Parameters parameters, string testName)
 {
     InitializeComponent();
     DataContext = new AddChangeParametersViewModel(changeDelegate, parameters, testName);
 }
 public AddChangeParametr(AddDelegate <Parameters> addDelegate, string testName)
 {
     InitializeComponent();
     DataContext = new AddChangeParametersViewModel(addDelegate, testName);
 }