Пример #1
0
        ///////////////////////////////////////////////////////////////////////////////////////////////

        /// <summary>
        /// Reads data from the underlying database blob.
        /// </summary>
        /// <param name="buffer">
        /// This array will be populated with the bytes read from the
        /// underlying database blob.
        /// </param>
        /// <param name="count">
        /// The number of bytes to read.
        /// </param>
        /// <param name="offset">
        /// The byte offset, relative to the start of the underlying
        /// database blob, where the read operation will begin.
        /// </param>
        public void Read(
            byte[] buffer,
            int count,
            int offset
            )
        {
            CheckDisposed();
            CheckOpen();
            VerifyParameters(buffer, count, offset);

            SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3_blob_read(
                _sqlite_blob, buffer, count, offset);

            if (rc != SQLiteErrorCode.Ok)
            {
                throw new SQLiteException(rc, null);
            }
        }