private void UpdatePhrasePresentationControlPrefix() { int previousGroupID = int.MinValue; for (int i = this.sentencePanel.Controls.Count - 1; i >= 0; i--) { ConditionsEditorControl.PhrasePresentationControl phrasePresentationControl = this.sentencePanel.Controls[i] as ConditionsEditorControl.PhrasePresentationControl; if (phrasePresentationControl != null && phrasePresentationControl.PhraseDescriptor != null) { phrasePresentationControl.UpdateText(previousGroupID); previousGroupID = phrasePresentationControl.PhraseDescriptor.GroupID; } } }