By Ken Getz
WRITE BULLETPROOF VBA CODE FOR ANY scenario This ebook is the basic source for builders operating with any of the greater than three hundred items that hire the visible simple for purposes programming language. Written via famous VBA specialists, it offers precise insurance of a variety of particular VBA programming demanding situations. Its cautious, step by step directions and hundreds of thousands of strains of code provide solutions, whereas instructing you to plan new and inventive suggestions. The guideline applies both to all VBA environments, no matter if you're construction standalone purposes or customizing advertisement items utilizing their integrated VBA programmability. assurance comprises Manipulating textual content, numbers, and dates utilizing automation to regulate different purposes growing gadgets utilizing VBA classification modules utilizing usual seek and kind algorithms from inside of VBA developing commonplace dynamic information buildings, together with associated lists, binary timber, stacks, and queues operating with home windows process details, together with reminiscence prestige, reveal information, mouse, keyboard, and gear prestige operating with home windows Registry facts Retrieving and surroundings home windows networking details operating with the home windows dossier process, iterating via folders, growing and deleting records including sound and films to VBA apps utilizing home windows multimedia extensions Tapping the procedure features supplied by means of the home windows Scripting Runtime library Writing add-ins for the visible easy setting observe: CD-ROM/DVD and different supplementary fabrics are usually not integrated as a part of book dossier.
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Extra info for VBA Developer's Handbook, 2nd Edition
In VBA, this isn’t necessary, nor is it advisable. Instead, use arrays of bytes for nontextual data. Because VBA performs ANSI-to-Unicode conversions on the fly, you’re almost guaranteed that your non-text data will be ruined once you place it into a string variable. Using Built-In String Functions VBA provides a large number of string-handling functions. This section introduces many of those functions, broken down by the area of functionality, and discusses the most useful of the built-in functions.
3 : Return Values for StrComp If StrComp Returns strText1 is less than strText –1 strText1 is equal to strText 0 strText1 is greater than strText2 1 10 Chapter 1 • Manipulating Strings Using the StrComp function, even if you normally perform case-sensitive comparisons, you can override that requirement for one comparison: If StrComp(strText1, strText2, vbTextCompare) = 0 Then ' You know that strText1 and strText2 are the same, as far ' as the text comparison goes. End If Converting Strings Rather than provide individual functions to convert strings from one format to another, VBA includes the single StrConv function.
We do wish that there were some way to get the output array to contain an array of all the characters in the input string, one character per array element. But, there’s no such way. As a matter of fact, there’s no easy way to do that at all in VBA. You must loop through each character in turn. ) • The documentation specifies that you could use –1 (vbUseCompareOption) for this and other functions to specify the compare mode. This value is not allowed by any of the functions at runtime. You might check your version of Office 2000 or Visual Basic to see if this parameter value works as it’s documented, or if they removed it from the documentation altogether.
VBA Developer's Handbook, 2nd Edition by Ken Getz