public void undo()
{
if (prevSpeed == CeilingFan.high)
{
ceilingFan.High();
}
else if (prevSpeed == CeilingFan.medium)
{
ceilingFan.Medium();
}
else if (prevSpeed == CeilingFan.low)
{
ceilingFan.Low();
}
else if (prevSpeed == CeilingFan.off)
{
ceilingFan.Off();
}
}
public void Undo()
{
if (_prevSpeed == CeilingFanSpeed.HIGH)
{
_ceilingFan.High();
}
else if (_prevSpeed == CeilingFanSpeed.MEDIUM)
{
_ceilingFan.Medium();
}
else if (_prevSpeed == CeilingFanSpeed.LOW)
{
_ceilingFan.Low();
}
else
{
_ceilingFan.Off();
}
}
public void Undo()
{
if (previousSpeed == CeilingFan.HIGH)
{
ceilingFan.High();
}
else if (previousSpeed == CeilingFan.LOW)
{
ceilingFan.Low();
}
else if (previousSpeed == CeilingFan.MEDIUM)
{
ceilingFan.Medium();
}
else if (previousSpeed == CeilingFan.OFF)
{
ceilingFan.Off();
}
}
public void Undo()
{
switch (_previousSpeed)
{
case CeilingFanSpeed.Low:
_ceilingFan.Low();
break;
case CeilingFanSpeed.Medium:
_ceilingFan.Medium();
break;
case CeilingFanSpeed.High:
_ceilingFan.High();
break;
case CeilingFanSpeed.Off:
_ceilingFan.Off();
break;
}
}
public void Execute()
{
_prevSpeed = _ceilingFan.Speed;
_ceilingFan.High();
}
public void Execute()
{
prevSpeed = fan.GetSpeed();
fan.High();
}
public void Execute()
{
previousSpeed = ceilingFan.GetCurrentSpeed();
ceilingFan.High();
}
public void execute()
{
prevSpeed = ceilingFan.getSpeed();
ceilingFan.High();
}
public void Excecute()
{
prevspeed = ceilingFan.GetSpeed();
ceilingFan.High();
}