public bool AddManifestationType(ManifestationType newType)
{
if (FindLabel(newType.Id) != null)
{
return(false);
}
ManifestationTypes.Add(newType);
SaveData();
return(true);
}
public bool DeleteManifestationType(string id)
{
ManifestationType target = FindManifestationType(id);
if (target == null)
{
return(false);
}
ManifestationTypes.Remove(target);
SaveData();
return(true);
}
