By James D Foxall
Simply because visible simple robust improvement services are inside prepared snatch of either the pro and the leisure programmer, many visible simple builders are self-taught-and as a result lack formal education on programming criteria. yet somebody who writes even a unmarried line of code-and in particular builders operating in live performance on a unmarried project-should hire a few uncomplicated, standardized strategies to optimize software maintainability and extensibility, in addition to avoid expensive mistakes and pitfalls. yet beforehand, there was no definitive guide describing those criteria. functional criteria For Microsoft visible easy fills this severe want, offering pragmatic guidance on either the place and the way to use programming criteria for max profit. Readers realize that by way of always using criteria in how they layout interfaces and set up code, they could observe colossal earnings in potency, reliability and performance-for themselves and within the recommendations they construct. Key e-book Benefits:* offers pragmatic suggestions and suggestion on programming criteria to the group of * visible uncomplicated developers-many of whom lack formal * education within the parts of criteria * Compiles expert criteria for visible uncomplicated in useful and easy-to-read layout * as well as delineating standardized thoughts, ebook additionally indicates directions for his or her program, supporting person builders or groups of * builders optimize their time and assets and steer clear of the results of sloppy layout
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Extra info for Practical Standards for Microsoft Visual Basic
If you attempt to put a value into a variable and the value is greater than the maximum value for the data type, the run-time error "6 — Overflow" occurs. ) Figure 6-2.
This is one reason why explicit declaration of variables is one of the first things a code reviewer looks for. When code simply references variables as needed (implicit declaration), it can seem as though the developer didn't give much thought to the logic of the code or the data used. Variables are important, and they deserve a formal declaration. A formal declaration at least shows that the developer gave due consideration to the use of the variable and didn't just throw it in at the last minute.
For instance, when you use the MsgBox statement, Visual Basic's Auto List Members feature displays a drop-down list (commonly referred to as the "code helper drop-down list") for the Buttons parameter. ) Using Enumerations 37 38 Using Enumerations Figure 5-1. Enumerations eliminate the need to memorize many different parameter values. The time that the developers of the MsgBox statement invested to provide the Buttons parameter's values in an enumeration pays you dividends as a programmer. You never have to remember the numeric values of the parameter, and the chance of incorrectly specifying a value is greatly diminished.
Practical Standards for Microsoft Visual Basic by James D Foxall