public void AddMean(Meanings mean)
 {
     if (mean != null)
     {
         var meaningViewModel = new MeaningViewModel(mean, this.Font, _supposedWidth);
         this.Items.Add(meaningViewModel);
         this.SetItemChecked(this.Items.Count - 1, true);
         this.SetSelected(this.Items.Count - 1, true);
     }
 }
 private void InitMeans()
 {
     this.Items.Clear();
     if (this.allMeanings != null && this.allMeanings.Count > 0)
     {
         foreach (Meanings meaningItem in this.allMeanings)
         {
             var meaningViewModel = new MeaningViewModel(meaningItem, this.Font, _supposedWidth);
             this.Items.Add(meaningViewModel);
         }
         this.SetSelected(0, true);
     }
 }