// Update: each vehicle info
public bool UpdateExistingGas(string originalMake, GasClass newMake)
{
//find the content
GasClass oldMake = GetGasByMake(originalMake);
//update the content
if (oldMake != null)
{
oldMake.Make = newMake.Make;
oldMake.Model = newMake.Model;
oldMake.Year = newMake.Year;
oldMake.Price = newMake.Price;
oldMake.Miles = newMake.Miles;
return(true);
}
else
{
return(false);
}
}
// Delete: delete a vehicle by make name
public bool RemoveGasFromList(string make)
{
GasClass gas = GetGasByMake(make);
if (make == null)
{
return(false);
}
int initialGas = _listOfGased.Count;
_listOfGased.Remove(gas);
if (initialGas > _listOfGased.Count)
{
return(true);
}
else
{
return(false);
}
}
// Create: creating new vehicle to add
public void AddGasToList(GasClass make)
{
_listOfGased.Add(make);
}