Visual Basic 6 - The Complete Reference by Noel Jerke

Visual Basic 6 - The Complete Reference



Visual Basic 6 - The Complete Reference download




Visual Basic 6 - The Complete Reference Noel Jerke ebook
Format: pdf
ISBN: 0072118555, 9780072118551
Page: 788
Publisher: McGraw-Hill Companies


For details about Execution Speed -- An Automation Add In written in VB6 is compiled to native machine code which runs much faster than the interpreted VBA languange. Then we'll use Command1 to retrieve data from book1, please note that you must have some data in the excel file. This is the snippet Call Webservice from VB6 on FreeVBCode. The code is totally self explanatory, In the load event we're going to open the new instance of the excel library and our excel file “book1.xls” will be accessible from our code. The purpose of an Automation Add In is to provide a library of functions that can be called directly from worksheet cells in workbooks that reference the Add In. When you new an object the reference count See Dispose, Finalization, and Resource Management for a complete discussion. When you use the by reference method, changes made to parameters' values in a sub procedure are known when control returns back to the calling procedure. Similarly Command2 is used to 'do declare these variables you need to add a reference 'to the microsoft excel 'xx' object library. For the rest of this article, we will use the term "Add In" to mean an "Automation Add In " unless specified otherwise. The FreeVBCode site provides free Visual Basic code, examples, snippets, and articles on a variety of other topics as well. I've noticed some confusion amongst VB6 programmers who've moved to .NET regarding garbage collection, so I'd like to explain the differences. In COM, each object has a hidden reference count inside it, a count of the number of in scope variables that point to the object.