Visual Basic 循环 当需要多次执行一段代码时,可能会需要循环。一般来说,语句是按顺序执行的:函数中的第一个语句首先执行,然后是第二个,依此类推。 VB 语言提供了各种控制结构,可以让程序执行更复杂的逻辑。 循环语句可以多次执行语句或语句组,以下是大多数编程语言中循环语句的一般形式:...
In Visual Basic, we mainly focus on two loops:For Loop While LoopFor LoopYou may have seen that step could be used to print the number from 1 to 5 in descending order; it is optional, if i goes up in 1. The animation makes clear the three possibilities....
For Each Loops See also Visual Basic loop structures allow you to run one or more lines of code repetitively. You can repeat the statements in a loop structure until a condition is True, until a condition is False, a specified number of times, or once for each element in a collection....
Visual Basic Flow ControlVisual Basic Do ... Loops eBookFrenzy.com Purchase and download the fully updated Visual Basic 2010 edition of this eBook in PDF and ePub for only $9.99 Computers are incredibly good at repeating the same task over and over very quickly. One of the key functions of...
Visual Basic Access gives you lots versatility when it comes to loops. You can even nest loops within each other. Use your knowledge of loops to create your ownVBA projectsand see how it works. You can even learn a lot more about VBA if you want. The Udemy coursesExcel VBA 24-Hour Tr...
Nesting Loops.You can nestDoloops by placing one loop within another. You can also nest different kinds of control structures within one another. For more information, seeNested Control Structures. Transferring Out of the Loop.TheExit Statement (Visual Basic)transfers control immediately to the stat...
Using the Visual Basic GoTo Statement Visual Basic For Loops Creating a Visual Basic For Loop Incrementing a For Loop by a Value Greater Than 1 Early Exit of a For Loop Continuing a For Loop Visual Basic Do ... Loops Creating a Visual Basic Do ... Loop Visual Basic Do While Loops Vis...
Visual Basic has a few kinds of loops, but we’ll just cover two of them. The For Loop For loops are usually used in a counting fashion. You can think of a FOR loop like this: start with a counter set to some value (E.g. 1) keep going around until that counter gets to some...
7.17 initializes rectangular array values and uses nested For...Next loops to traverse the array (that is, to manipulate every array element). The contents of the array are displayed in outputTextBox. Click here to view code image 1 ' Fig. 7.17: RectangularArray.vb 2 ' Initializing and ...
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