public void Remove(IMouseLocationInfoPrinter printer)
{
if (_infoPrinters != null && _infoPrinters.Contains(printer))
{
_infoPrinters.Remove(printer);
}
}
public void Register(IMouseLocationInfoPrinter printer)
{
if (_infoPrinters == null)
{
_infoPrinters = new List <IMouseLocationInfoPrinter>();
}
if (!_infoPrinters.Contains(printer))
{
_infoPrinters.Add(printer);
}
}
