public RandomValueSelectorCommand()
{
this._selector = new RandomValueSelector();
this._viewModel = new RandomValueSelectorViewModel(this._selector);
this._viewModel.ValueSelected += new EventHandler(_viewModel_ValueSelected);
}
void RandomValueSelectorView_DataContextChanged(object sender, DependencyPropertyChangedEventArgs e)
{
var oldViewModel = e.OldValue as RandomValueSelectorViewModel;
if (oldViewModel != null)
oldViewModel.PropertyChanged -= viewModel_PropertyChanged;
var newViewModel = e.NewValue as RandomValueSelectorViewModel;
this._viewModel = newViewModel;
if (newViewModel == null)
return;
newViewModel.PropertyChanged += new System.ComponentModel.PropertyChangedEventHandler(viewModel_PropertyChanged);
this._timer.Start();
}
