You can testconditiononly one time, at either the start or the end of the loop. If you testconditionat the start of the loop (in theDostatement), the loop might not run even one time. If you test at the end of the loop (in theLoopstatement), the loop always runs at least one ...
Learn Previous Versions Visual Studio 關鍵字 (Visual Basic) F-O 關鍵字 閱讀英文版本 儲存 新增至集合 新增至計劃 分享方式: Facebook x.com LinkedIn 電子郵件 列印 Loop 文章 21/08/2008 在此文章 備註 請參閱 更新:2007 年 11 月 結束使用 Do 陳述式 (Statement) 所引入的迴圈。 備註 Loop...
TheDo...Loopstructure gives you more flexibility than theWhile...End While Statement (Visual Basic)because it allows you to choose whether to end the loop when condition stops beingTrueor when it first becomesTrue. It also allows you to test condition at either the beginning or the end of...
详细了解 Microsoft.CodeAnalysis.VisualBasic 命名空间中的 Microsoft.CodeAnalysis.VisualBasic.VisualBasicSyntaxVisitor.VisitLoopStatement。
[Statement] [Exit While] [statement] End While Before you create the loop, understand what each term means. The term condition is a Boolean expression, or an expression that can only be valued as either true or false. If you don’t set a condition then Visual Basic will automatically assu...
For more information, see For...Next Statement. For Each Loops The For Each...Next construction runs a set of statements once for each element in a collection. You specify the loop control variable, but you do not have to determine starting or ending values for it. For more information,...
The Do While Loop in Excel VBA The syntax is: Do While Condition [statements] Loop Visual Basic Copy Condition: the primary criterion to run the do-while loop. If the condition is true, the do while loop will work continuously. Statement: executes the do while loop. Loop: denotes the en...
Visual Basic Copy Code Breakdown: TheFor Eachloop iterates through every element in the array, assigning each one to the variable “i” and running the loop’s code each time. The loop’s If statement determines whether the value of “i” equals 3. The current sub procedure (Exit Sub) ...
A do while loop is a control flow statement that allows code to be executed once based on a given boolean condition. In visual basic, you can use do while loop structure when you want to repeat a set of statements of an indefinite number of times, until a condition is satisfied. Syntax...
[statementblock-n]]End IfVisual Basic 首先测试 condition1。如果它为 False,Visual Basic就测试 condition2,依次类推,直到找到一个为 True 的条件。当它找到一个为 True 的条件时,Visual Basic就会执行相应的语句块,然后执行 End If 后面的代码。作为一个选择,可以包含 Else 语句块,如果条件都不是 True,则 ...