public override string ToString()
{
StringBuilder result = new StringBuilder();
result.Append("GSM Model: " + Model + "\n");
result.Append("GSM Manufacturer: " + Manufacturer + "\n");
result.Append("GSM Price: " + Price + "\n");
result.Append("GSM Owner: " + Owner + "\n");
if (BatteryCharacteristics != null)
{
result.Append(BatteryCharacteristics.ToString());
}
if (DisplayCharacteristics != null)
{
result.Append(DisplayCharacteristics.ToString());
}
return(result.ToString());
}
public override string ToString()
{
return("GSM: " + Model + " " + Manufacturer + " :" + Price + "lv. " + Owner + " " + BatteryCharacteristics.ToString() + " " + DisplayCharacteristics.ToString());
}