Oracle Consulting Oracle Training Oracle Support Development
Oracle Books
SQL Server Books
IT Books
Job Interview Books
Rampant Horse Books
911 Series
Pedagogue Books

Oracle Software
Write for Rampant
Publish with Rampant
Rampant News
Rampant Authors
Rampant Staff
Oracle News
Oracle Forum
Oracle Tips
Articles by our Authors
Press Releases
SQL Server Books

Oracle 11g Books

Oracle tuning

Oracle training

Oracle support

Remote Oracle


Privacy Policy


  SQL Server Tips by Burleson

Implementation Details

To use the DLL from the C++ code in the XP_SMTPSENDMAIL dll, we use the ‘#import’ support of Microsoft Visual C++. Because CDO itself uses ADO we also need to ‘#import’ ADO. The code from the pre compiled header ‘stdafx.h’ in the XP_SMTPSENDMAIL code is as follows:

#pragma warning(disable : 4146)
#import "c:\program files\common files\system\ado\msado15.dll" no_namespace rename("EOF", "adoEOF")
#pragma warning(default: 4146)
#import <cdosys.dll>

The #pragma warning disables some level 4 warnings which get generated when you import ADO. Also as is documented in the MSDN, EOF is renamed to adoEOF. This is to avoid a conflict between the ADO property ‘EOF’ and the C/C++ constant of the same name.

To create the message and set it’s ‘To’ property, you would then use the following code (which does not include error checking for reasons of brevity):

CDO::IMessagePtr msg;
msg->To = _bstr_t(“”);

To reduce the amount of boilerplate code, as well as all the other advantages already mentioned, the XP++ class framework developed in a previous chapter is used. This simplifies the validation and setup of many required and optional parameters, which this XP will require.

The above book excerpt is from:

Super SQL Server Systems
Turbocharge Database Performance with C++ External Procedures

ISBN: 0-9761573-2-2
Joseph Gama, P. J. Naughter  

Linux Oracle commands syntax poster

ION Oracle tuning software

Oracle data dictionary reference poster

Oracle Forum

BC Oracle consulting support training

BC remote Oracle DBA   



 Copyright © 1996 -2017 by Burleson. All rights reserved.

Oracle® is the registered trademark of Oracle Corporation. SQL Server® is the registered trademark of Microsoft Corporation. 
Many of the designations used by computer vendors to distinguish their products are claimed as Trademarks

Hit Counter