public int backpatchHeader(long FileOffset, RiffChunkHeader data)
	{
		if (file == null)
		{
			return DDC_INVALID_CALL;
		}
		try
		{
			file.seek(FileOffset);
		}
		catch (IOException ioe)
		{
			return DDC_FILE_ERROR;
		}
		return writeHeader_internally(data);
	}
public int backpatchHeader ( long FileOffset , RiffChunkHeader data ) { if ( file == null ) { return DDC_INVALID_CALL ; } try { file . seek ( FileOffset ) ; } catch ( IOException ioe ) { return DDC_FILE_ERROR ; } return writeHeader_internally ( data ) ; }
Write Data to specified offset.