public void RemoveFlashCard() { if (ManageUserAction.IsFlashCardExist(curCollection.IdCollection, curFlashCard.IdCard) && curFlashCard.IdCard != 0) { ManageUserAction.RemoveFlashCardFromCollection(curCollection.IdCollection, curFlashCard); ManageUserAction.DeleteFlashCardFromDatabase(curCollection.IdCollection, curFlashCard); ToTheRight(); } }