コード例 #1
0
        /// <summary>
        /// Gets the byte array from stream.
        /// </summary>
        /// <param name="media">The media.</param>
        /// <param name="rpu">The rpu.</param>
        /// <param name="caller">The caller.</param>
        /// <returns></returns>
        /// <remarks>Documented by Dev05, 2009-01-16</remarks>
        private static byte[] GetByteArrayFromStream(System.IO.Stream media, MLifter.DAL.Tools.StatusMessageReportProgress rpu, object caller)
        {
            int buffer_length = 10240;

            byte[] data = new byte[media.Length];
            StatusMessageEventArgs args = new StatusMessageEventArgs(StatusMessageType.CreateMediaProgress, (int)media.Length);

            media.Seek(0, SeekOrigin.Begin);

            int read = 0;
            int pos  = 0;

            do
            {
                read          = media.Read(data, pos, Math.Min(buffer_length, data.Length - pos));
                pos          += read;
                args.Progress = pos;
                if (rpu != null)
                {
                    rpu.Invoke(args, caller);
                }
            }while (read == buffer_length);
            return(data);
        }
コード例 #2
0
        /// <summary>
        /// Creates a new media object.
        /// </summary>
        /// <param name="media">The memory stream containing the media.</param>
        /// <param name="type">The media type.</param>
        /// <param name="rpu">A delegate of type <see cref="StatusMessageReportProgress"/> used to send messages back to the calling object.</param>
        /// <param name="caller">The calling object.</param>
        /// <returns>The id for the new media object.</returns>
        /// <remarks>Documented by Dev03, 2008-08-05</remarks>
        /// <remarks>Documented by Dev03, 2009-01-13</remarks>
        public int CreateMedia(System.IO.Stream media, MLifter.DAL.Interfaces.EMedia type, MLifter.DAL.Tools.StatusMessageReportProgress rpu, object caller)
        {
            int          newId;
            SqlCeCommand cmd = MSSQLCEConn.CreateCommand(Parent.CurrentUser);

            cmd.CommandText = "INSERT INTO MediaContent (data, media_type) VALUES (@data, @type); SELECT @@IDENTITY;";
            cmd.Parameters.Add("@data", SqlDbType.Image);
            cmd.Parameters.Add("@type", SqlDbType.NVarChar, 100);
            cmd.Parameters["@data"].Value = GetByteArrayFromStream(media, rpu, caller);
            cmd.Parameters["@type"].Value = type.ToString();
            newId = Convert.ToInt32(MSSQLCEConn.ExecuteScalar(cmd));

            return(newId);
        }