internal override long GetBytes(SQLiteStatement stmt, int index, int nDataOffset, byte[] bDest, int nStart, int nLength)
{
IntPtr ptr;
int nlen;
int nCopied = nLength;
nlen = UnsafeNativeMethods.sqlite3_column_bytes_interop(stmt._sqlite_stmt, index);
ptr = UnsafeNativeMethods.sqlite3_column_blob_interop(stmt._sqlite_stmt, index);
if (bDest == null)
{
return(nlen);
}
if (nCopied + nStart > bDest.Length)
{
nCopied = bDest.Length - nStart;
}
if (nCopied + nDataOffset > nlen)
{
nCopied = nlen - nDataOffset;
}
if (nCopied > 0)
{
Marshal.Copy((IntPtr)(ptr.ToInt32() + nDataOffset), bDest, nStart, nCopied);
}
else
{
nCopied = 0;
}
return(nCopied);
}