Space Engineers: Airlock Close

public Program()
{
    // The constructor, called only once every session and
    // always before any other method is called. Use it to
    // initialize your script.
    //
    // The constructor is optional and can be removed if not
    // needed.
    //
    // It's recommended to set RuntimeInfo.UpdateFrequency
    // here, which will allow your script to run itself without a
    // timer block.
}

public void Save()
{
    // Called when the program needs to save its state. Use
    // this method to save your state to the Storage field
    // or some other means.
    //
    // This method is optional and can be removed if not
    // needed.
}

// Method for finding blocks by names
List<IMyTerminalBlock> SearchBlocksByName(string blockName) {
    var blocks = new List<IMyTerminalBlock>();
    GridTerminalSystem.SearchBlocksOfName(blockName, blocks);
    return blocks;
}

public void Main(string argument, UpdateType updateSource)
{
    List<IMyTerminalBlock> doors = new List<IMyTerminalBlock>();
    GridTerminalSystem.GetBlocksOfType<IMyDoor>(doors);
    List<IMyDoor> hangarDoors =  new List<IMyDoor>();

    for (int i = 0; i < doors.Count; i++)
    {
        if (doors[i].CustomName.Contains("Airtight"))
        {
            hangarDoors.Add(doors[i] as IMyDoor);
        }
    }

    for (int i = 0; i < hangarDoors.Count; i++)
    {
        hangarDoors[i].ApplyAction("Open_Off");
    }

    IMyTimerBlock time = GridTerminalSystem.GetBlockWithName("Timer Block") as IMyTimerBlock;
    time.ApplyAction("OnOff_On");
    time.ApplyAction("Stop");

    var vents = SearchBlocksByName("AirHangar");
    List<IMyAirVent> airVents = new List<IMyAirVent>();
    for (int i = 0; i < vents.Count; i++)
    {
        airVents.Add(vents[i] as IMyAirVent);
    }

    for (int i = 0; i < airVents.Count(); i++)
    {
        airVents[i].ApplyAction("Depressurize_Off");
    }
}