public WordViewModel()
{
DeleteWordCommand = new DelegateCommand((obj) => DeleteWord(obj), (obj) => true);
EditWordCommand = new DelegateCommand((obj) => EditWord(obj), (obj) => true);
PreviousWordCommand = new DelegateCommand((obj) => PreviousWord(obj), (obj) => true);
SkipCommand = new DelegateCommand((obj) => SkipWord(obj), (obj) => true);
WordWindowRectEvent = wordModel.GetRect();
OnPropertyChanged("WordWindowRectEvent");
}