private Option PresentChoice(Choice choice)
{
ChoiceModel choiceModel = new ChoiceModel(choice);
ShowModalParameter dialogParameter = new ShowModalParameter
{
Content = choiceModel
};
// run the dialog to completion
Dialog.ShowModalCommand.Execute(dialogParameter, _host);
return(choiceModel.Selected);
}
public void ShowModal(object sender, ExecutedRoutedEventArgs e)
{
// crash if incorrect parameter type
ShowModalParameter parameter = (ShowModalParameter)e.Parameter;
// this is the source of the event, and we will resolve DataTemplate from their position
FrameworkElement host = (FrameworkElement)e.OriginalSource;
// resolve the data template
DataTemplate template = parameter.DataTemplate ?? (DataTemplate)host.TryFindResource(new DataTemplateKey(parameter.Content.GetType()));
// display the dialog appropriate to the content
ContentTemplate = template;
Content = parameter.Content;
ShowDialog();
}
