Snippet of MilestonePSTools Get-Snapshot command source code

GetRecordedSnapshot.cs

private void GetRecordedSnapshot()
{
    JPEGVideoSource src = null;
    var cameraId = Camera == null ? CameraId : new Guid(Camera.Id);
    try
    {
        var item = Configuration.Instance.GetItem(Connection.CurrentSite.FQID.ServerId, cameraId, Kind.Camera);
        if (item == null)
        {
            WriteWarning($"Configuration not available for camera with ID {cameraId}. It might be disabled.");
            return;
        }
        src = new JPEGVideoSource(item);
        src.SetKeepAspectRatio(KeepAspectRatio, IncludeBlackBars);
        src.Init(Width, Height);
        src.Compression = Quality;
        JPEGData snapshot = null;
        switch (Behavior.ToLower())
        {
            case "getbegin":
            {
                snapshot = src.GetBegin();
                break;
            }
            case "getend":
            {
                snapshot = src.GetEnd();
                break;
            }
            case "getnearest":
            {
                var timestamp = DateTime
                    .SpecifyKind(Timestamp, LocalTimestamp ? DateTimeKind.Local : DateTimeKind.Utc)
                    .ToUniversalTime();
                snapshot = src.GetNearest(timestamp) as JPEGData;
                break;
            }
        }

        if (Save) SaveSnapshot(snapshot, src.Item);


        WriteObject(snapshot);
    }
    catch (CommunicationMIPException)
    {
        WriteWarning($"Unable to connect to {src?.Item.Name} with ID {src?.Item.FQID.ObjectId}");
    }
    catch (Exception ex)
    {
        WriteError(
            new ErrorRecord(
                ex,
                ex.Message,
                ErrorCategory.ConnectionError,
                src));
    }
    finally
    {
        src?.Close();
    }
}