public void InterateCorridors()
{
    using (var tr = db.TransactionManager.StartTransaction())
    {
        foreach (var id in civilDoc.CorridorCollection)
        {
            var corridor = id.GetObject(OpenMode.ForRead) as Corridor;
            ed.WriteMessage(
            $"Corridor:{corridor.Name}\nLargest posible Triangle side:{corridor.MaximumTriangleSideLength}");
        }

    tr.Commit();
    }
}

/// <summary>
///     创建点样式
/// </summary>
/// <param name="ptSName"></param>
public void CreatePointStyle(string ptSName)
{
    var psId = ObjectId.Null;
    if (civilDoc.Styles.PointStyles.Contains(ptSName))
        psId = civilDoc.Styles.PointStyles[ptSName];
    else
         psId = civilDoc.Styles.PointStyles.Add(ptSName);

    using (var tr = db.TransactionManager.StartTransaction())
    {
        var ptStyle = psId.GetObject(OpenMode.ForWrite) as PointStyle;
        ptStyle.Elevation = 114.6;
        tr.Commit();
    }
}

        public void AlignmentSetting()
        {
            var sa = civilDoc.Settings.GetSettings<SettingsAlignment>();
            var angleSettings = sa.Angle;
            ed.WriteMessage(@"Alignment setting:
                Precision: {0}
                Rounding:{1}
                Unit:{2}
                Drop Decimal:{3}
                DropZeros:{4}",
                angleSettings.Precision.Value,
                angleSettings.Rounding.Value,
                angleSettings.Unit.Value, angleSettings.DropDecimalForWholeNumbers.Value,
                angleSettings.DropLeadingZerosForDegrees.Value);
        }

public void AlignmentTypeOption()
{
    var ato = civilDoc.Settings
        .GetSettings<SettingsCmdCreateAlignmentLayout>();
    ed.WriteMessage(@"Alignment Layout Command settings :Alignment:{0}",
        ato.AlignmentTypeOption.AlignmentType.Value);
}