参考号：EM13833，长度：2

视觉基本编程讨论：

“决策逻辑”请回复以下内容：

• The use of decision logic is one of the major concepts of computer programming. The decision takes your code from being sequential to one that can take various options based on the different conditions. Determine the method of coding that you would use to make “If…Then” statements easier to see in the program listing.
• 确定为库存系统创建主菜单的最佳实践。确定您是否会选择嵌套的“ if”语句或开发选择案例作为维护支持方法。说明您选择的方法的优点和缺点。

“消息框”请回复以下内容：

• Provide an example for an informational message for installing payroll software. Determine if the programmer, business analysis, or the end user would be responsible for the content of the message. Explain why.
• 有三（3）个不同类型的消息：信息，警告和关键消息。想象一下您的程序在阅读CD或DVD时遇到问题。确定应显示的消息类型。提供消息内容的示例。