public static void DoubleClickNotNull(ListView listview, MainWindow mainWindow)
{
if (listview.SelectedItem != null)
{
QuestionGroup selectedQuestionGroup = listview.SelectedItem as QuestionGroup;
mainWindow.ChangeView(new QuestionView(mainWindow, selectedQuestionGroup), false);
}
}
public Paging(MainWindow mainWindow)
{
this.mainWindow = mainWindow;
}