By Michael Kofler
Microsoft's Excel isn't just a strong spreadsheet and photos tool-it includes a programming language referred to as visible easy for functions (VBA), which lets you automate easy projects and helps you to create full-featured purposes that make Excel clients much more efficient. within the Definitive advisor to Excel VBA, moment variation, veteran writer Michael Kofler presents exhaustive assurance of VBA for Excel, demonstrating the way it can be utilized to enforce real-world company ideas. Designed to be worthwhile to programmers who've by no means used VBA sooner than, it additionally covers complex issues wanted for clients already accustomed to VBA.First, Kofler introduces VBA and the Excel item version, concentrating on the original features of programming and debugging code linked to spreadsheets. the following few chapters hide menus, toolbars, varieties, and templates-the instruments for developing custom-made consumer interfaces and full-featured purposes. He then strikes directly to a extensive variety of complicated issues, together with automating graphs and diagrams, gaining access to exterior databases from Excel, and reading facts utilizing grouping and pivot-tables. He even covers ActiveX automation and the entry of net prone utilizing the internet provider Toolkit.Throughout the ebook, Kofler by no means loses sight of the real-world difficulties confronted by way of Excel programmers. The publication additionally explores how you can steer clear of undocumented difficulties that can come up whilst programming Excel VBA-practical wisdom that was once won via years of challenging adventure.
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This can be prevented only in the case of buttons with TakeFocusOnClick=False. (The default setting, though, is True, and this is the reason that there are often problems with buttons in worksheets. Activate) in order to make certain that it is not directed at a control. In general, the use of control elements in worksheets (as opposed to forms) causes enormous problems and triggers—especially in Excel 2002—incomprehensible errors and sometimes even crashes of Excel. xls is particularly affected, and in the new edition of this book several examples had to be deleted; these examples functioned without problem under Excel 2000, but under Excel 2002 lead to crashes.
Instead, you should use Variant variables. • Many assistants and add-ins are no longer included and are available, if at all, only as Internet downloads. This affects, for example, the template wizards described in Chapter 9. • Pivot fields are now invoked differently (for example, "sum of xy" instead of "sum - xy"). Code that relies on the old formulation will no longer function correctly. Name = "xyz" are not properly executed: If there was previously a QueryTable with the name "xyz", then a new Query-Table is designated by "xyz_1", "xyz_2", and so on, even if the old QueryTable was deleted long ago and there is thus no possibility of confusion.
If you do not happen to be working with a 21-inch monitor, these docked windows take up too much space and represent a step backwards into the era of Windows 1 (when overlapping windows were not allowed). You can call a halt to this nonsense by unchecking most (or, even better, all) of the boxes on this page of the form. Now you can move the windows around and overlap them without any restrictions. Project Properties With Tools|Vbaproject Properties (Project Properties) you open a dialog for setting properties of the current project.