private void Window_Loaded(object sender, RoutedEventArgs e)
{
// Lets grab the data context
_vm = DataContext as StockViewModel;
if (_vm == null)
{
throw new NullReferenceException("DataContext must be of type StockViewModel");
}
// Add some default data
_vm.AddSymbolToWatchList("MSFT");
_vm.SelectStockCommand.Execute("MSFT");
}
