private void DeleteObjectButton_Click(object sender, RoutedEventArgs e)
 {
     if (this.LearnedObjectsList.SelectedIndex != -1)
     {
         string objectName = (string)this.LearnedObjectsList.SelectedItem;
         ObjectMemoryService.RemoveSignatureByName(objectName);
         PopulateLearnedItemsList();
     }
     else
     {
         MessageBox.Show("Please select an item to delete");
     }
 }
 private void metroButton6_Click(object sender, EventArgs e) //delete
 {
     if (this.listBox1.SelectedIndex != -1)
     {
         string objectName = (string)this.listBox1.SelectedItem;
         ObjectMemoryService.RemoveSignatureByName(objectName);
         PopulateLearnedItemsList();
     }
     else
     {
         MessageBox.Show("Please select an item to delete");
     }
 }