Microsoft Office 2000 automation Help file is available in the Download Center
http://support.microsoft.com/kb/260410

Microsoft Foundation Class - Overview
http://msdn2.microsoft.com/en-us/library/fe1cf721.aspx

Tips on Application Interactions
http://peltiertech.com/Excel/XL_PPT.html

PowerPoint FAQ
http://www.pptfaq.com/

APL2000 discussion:
http://forum.apl2000.com

Which version of Excel gets started? - "How to run multiple versions of Excel on the same computer"
http://support.microsoft.com/kb/214388

Create your own Worksheet Functions
http://office.microsoft.com/en-us/assistance/HA010548461033.aspx

Excel COM add-ins and Automation add-ins
http://support.microsoft.com/kb/291392

Office Automation When Multiple Versions of Office Are Installed
http://support.microsoft.com/kb/292491

How to run multiple versions of Excel on the same computer
http://support.microsoft.com/kb/214388

OLE Server Frequently Asked Questions
http://www.vbi.org/Items/article.asp?id=34

Understanding OLE (1995) 
http://www.dbmsmag.com/9506d13.html






Data 		Type  	Prefix  		Example
Boolean 		bln 	blnFound
Byte 		byt 	bytTracks
Date/Time 	dtm 	dteStartOfShift
Double 		dbl 	dblDistance
Error 		err 	errCantOpen
Integer	 	int 	intNbrOfStudents
Long 		lng 	lngPopulation
Object 		obj 	objConnection
Single 		sng 	sngAge
String 		str 	strCountryName
Currency 	cur 	curHourlySalary
Variant 		var 	varFullName

Display numbers as dates or times