While Wend Loop In Qbasic Examples

If condition is true then all the statements until the Wend keyword will be executed. Statement of while loop can also be a Boolean expression. If the loop is very lengthy, you can move the code for the loop to a separate Thread, allowing it to execute in the background. In this example, we add a list box to display a series of numbers and the sum of those numbers. I like the Do loop because you can use the Exit Do statement. if we are using the continue condition before increment or decrement in while loop the program will go along because after continue. Program execution resumes within the WHILE/WEND loop in these instances. iii) The EXIT DO statement can be used to exit from inside a DO…LOOP. 8 degrees per step and 96 ohms per winding, with center taps brought out to separate leads. VBScript Do While Loop. And , the WHILE loop has a print statement with the semicolon at the end. That's all there is to know about WHILEWEND, here is a different type of loop, very much like the one just shown. before each iteration the condition is tested, if it is was true. Loop is preferred over this. The Continue While statement immediately transfers control to the next iteration of. if we are using the continue condition before increment or decrement in while loop the program will go along because after continue. On the other hand in the while loop, first the condition is checked and then the statements in while loop are executed. The colors in this code are hints for me in directing the Youtube video. Basic - Loop with condition on the beginning: do while loop, while wend Condition testing is done at the beginning of the loop. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy. You may not have to execute the commands inside the loop at all. Non-Confidential PDF versionARM DUI0379H ARM® Compiler v5. Sample Code. qbasic slc computer science file handling slc 2064 qbasic file handling solutions[difficult one - par qbasic file handling computer science slc 2067, sl slc qbasic file handling computer science supplime qbasic file handling programs computer science for slc computer science file handling qbasic; slc computer 2064 solved. The "While" Loop. Another stepper sometimes found in half-height drives is the `pancake format' motor from a 1/2 height 5. But this would seriously slow the execution of the application, as TestComplete would be continuously testing. im taking a qbasic class and am having a very hard time on this programhere is the question: Using the ASCII table and the CHR$ function, write a program that prints the following output using a nested for next loop: Well you are making it too difficult, the reason is write in front of you. This is repeated each time until test_expression evaluates to FALSE, in which case, the. This expression must evaluate to a boolean value (true or false). C programming has three types of loops:. The goto statement is common in GWBASIC and QBASIC. Here, I am only doing of tenth term. This tutorial will show the While loop. Microsoft Office Tutorials. FOR I = 8 TO 7. Dim Counter. The language of the cello. Wend loop in VBA. In the first example ( Check_First) the condition (lNum>10) is checked before entering the loop. This is useful if the code needs to be run at least once. The structure of a WhileWend Loop is very similar to the Do Loop. Example: Sub Main I = 2 Do I = I*2 Loop Until I > 10 Debug. Example-1 Using the loop in a programme-CLS X=10 WHILE X<15 PRINT "The value of X is:";X X=X+1 WEND END Try this in your qbasic and explore more. 3 on the right. But using a Do While loop inside of a For Each statement, you can achieve the same functionality. If the condition is False, the program continues directly following the Wend statement. focus), and type “w”. Its goal is to show what programming is about using the fundamental features of QBasic. So, while dispatcherFrame’s Continue property is true, this cycle of reading system messages will be executed. Use the break statement within loops to pass control to the first statement following the innermost loop (for, while, or do). Wend Loop In VBScript, While. The earliest while loop examples had numerical tests and the code to get ready for the next loop just incremented a numerical variable by a fixed amount. Having the condition at the BOTTOM of the loop means you are guaranteed to go thru the loop ONCE. The example deals with coprocessor-detection, and runs in QBasic even: (this program could be modified to handle mouse calls) ' This example uses the Absolute routine to execute a machine-language ' program stored in an array. Any number of Exit Do statements may be placed anywhere in the Do…Loop as an alternate way to exit a Do…Loop. An example of using the While…Wend loop is the WhileReadLineWend. Counter = Counter + 1 ' Increment Counter. If the condition is false, the loop is exited and the control jumps to the very next statement after the Wend keyword. Let us look at an example of this loop. Dim Counter Counter = 0 ' Initialize variable. First while entering. statements will execute repeatedly while condition is a non-zero value. Use the While keyword to check a condition in a DoLoop statement. raw download clone embed report print QBasic 2. For example: Sub While_Loop_Example Dim LCounter As Integer LCounter = 1 While LCounter < 10 MsgBox (LCounter) LCounter = LCounter + 1 Wend End Sub. The "While" Loop. Then it determines whether the counter is less than 501. The Do Loop - This basic mechanism far repeatedly executing a set of statements comes in two forms: a Do Until Loop and a Do While Loop. Non-Confidential PDF versionARM DUI0379H ARM® Compiler v5. 0 comments:. Let's take a look at the Do While loop first. WhileWEnd statements may be nested. While constructing nested loops, it is necessary to have the same type of looping structure. Do-While Loop When Condition is checked before the loop starts. This tutorial gives you a complete overview VBScript For Loop, Do Loop, and While Loop. This program is a very simple example of a for loop. A "While" Loop is used to repeat a specific block of code an unknown number of times, until a condition is met. display the number of digits among the 5 input characters. I need to loop a simple action for all files in folder. A loop is used to repeat a block of statement a certain number of times until a condition is met. I'm used to the do while loop, so I was wondering what would be the difference between this two loops. And, while you're at it, I would be very happy if you would explain to me just how to get rid of a repeating key, after holding it down. For example of statement returns a non-zero value then the statement will be true on the other hand if the statement returns zero then statement will be false. QTP is widely/most popularly used as Functional/Regression Test automation tool. If the condition is True, the loop is executed until the program finds Wend and then jumps back to the While statement. Sometimes, using CTRL BREAK (QBasic 1. I still haven't figured out how to reverse it, so I guess you have to do it yourself. Loop is preferred over this. Write a program in Qbasic to print the fibonacci series up to tenth term. Let's look at how to create a WHILE loop in Microsoft Access. If the expression is false when the program reaches the WHILE loop, the loop code is jumped and never executed. 0 27-Oct-19 08:09 AM. Value Then check = check + 1 End If ActiveCell. Maybe you didn't show us the entire code, without which it's hard to determine your problem. This type of loop runs until the statement at the beginning resolves to FALSE. iii) There is no EXIT WHILE statement. It seems that the VBA structure allows an additional iteration that the LISP While does not. The loop body comprising a set of statements to be executed. shell") iReturn = objShell. While loop 'while' statement just takes the stop condition. The first popular version of QBasic was bundled with MS-DOS 3. Hello Friends !! This Video is all about While Loop In Qbasic. statements will execute repeatedly while condition is a non-zero value. Graph theory is the study of the properties of graphs. The leather knee patches are made with the quality-tested ALOS leather for longer durability. The first (which you should have learned) is a control statement. The WEND statement transfers the control back to step 1. WHILE Loop. This is an example of while loop - In this C program, we are going to learn how can we print all ODD numbers from given range (1 to N) using while loop? A humble request Our website is made possible by displaying online advertisements to our visitors. It WILL enter the loop and keep going until Nx>=5000 or one of the other conditions fails. In the second example ( Check_After) the condition (lNum>10) is checked after entering the loop. It helps to perform different tasks. When a loop runs, it takes over the interface, preventing the user from interacting with menus and controls. We’ve already discussed using macros in Stata to simplify and shorten code. The only significant difference between these two looping structures is that WHILEWEND checks the condition before running the loop, and DOLOOP checks the condition only after the loop has executed once:. That's all there is to a WHILEWEND loop. exit - jumps out of DO/FOR loop, a Function/Sub procedure, or a DEF FN function. Qbasic program to enter any two numbers and display the HCF and LCM. If the condition is false, the loop is exited and the control jumps to the very next statement after the Wend keyword. Qbasic sequential file handling that asks a user to input a registration number and displays the record of the particular registration if present. If the condition is False, the program continues directly following the Wend statement. The loops are the While, Do Loop, and For loop. write a program to read all the dta from the data file named “sal. Do While Loop Examples. VB Script Examples VB Script General Examples. The language of the cello. Once the condition isn't met (becomes False), VBA exits the loop. Both are the difference from each other, if we talk about the main difference then the main difference between while loop and do-while loop is that while loop is a condition that appears at the start of the loop whereas Do-while is a condition that appears at the end of the loop. If the condition is still True, the loop is executed again. Sometimes, using CTRL BREAK (QBasic 1. The body: This is the code within the. You can add condition before the loop starts (It is the same as While-Wend loop). In this blog post we will be discussing the Do. Control statements include things such as: IF/THEN SELECT/CASE and GOTO. Program execution resumes within the WHILE/WEND loop in these instances. Important QBASIC Programs for Grade 9 Posted on December 1, 2017 Author Hemant Comments Off on Important QBASIC Programs for Grade 9 To input any three number and find the smallest one. This loop is in VBA to make it compatible with older code. Caution: This syntax can easily result in an infinite loop if you are not careful. For this example i will make the algorithm sort the numbers stored in an array into ascending order, it can be used for other things but you would need to change the sort criteria. Excel VBA For Do While and Do Until Loop The VBA For Loop and the Do While loops are the two most important loops in the VBA language. In this article, you will learn to create while and dowhile loops in C++ programming. Then, the formula c=a+b, a=b, b=c will trigger and will display the sequence in the picturebox with 2 spaces. 3 on the right. By Kuldeep S Rawat- TA Robotics http:www. Some of the other problems don’t really seem like problems to me. It is self-explanatory from the syntax that the statements nestled under the while block get executed as long as the condition holds true. Description: Indicates the end of a do. The While Loop. In our example script, we want to loop through all the documents in a view. While – Wend will repeat a group of instructions till a certain condition is true. The body: This is the code within the. The program prints a message indicating ' whether or not a math coprocessor is installed. While condition [ statements] Wend. In this chapter, we present control structures that enable programmers to control the order of events in their programs. Until/While loop. QBasic/Appendix - Wikibooks, collection of open-content textbooks http://en. You then use the OpenTextFile method to open a test file, and you store that object in the objFile variable. When deciding whether to use a Repeat loop, as opposed to a For or While loop, it's good to know how Repeat loops stack up against them. Thus the while wend statement can be used. how to write a program that prints word in a format that all the letters in the word are capital except the beginning and the ending one. It can run under nearly all versions of DOS and Windows, or through DOSBox / DOSEMU, on Linux and FreeBSD. This means the nested while loop will finish slower, given the same number of computations to perform, compared to the nested for loop. Let's look at how to create a WHILE loop in Microsoft Excel. In the below example, a multi-dimension array is declared with 3 rows and 4 columns. The VBA while loop is used to execute the given statements as long as the condition is True. Using QBasic Help: To get help on a Basic keyword, place the cursor on it and press F1 or click the right mouse button. We use cookies for various purposes including analytics. Code placed between Do Until and Loop will be repeated until the part after Do Until is true. Basic syntax to use 'do-while' loop is: variable initialization; do { statement 1; statement 2;. Convert x86 Assembly Code to QBasic « Reply #1 on: August 17, 2005, 06:45:00 PM » That's rather impossible - QB statements usually don't translate into just one assembler instruction, and QB only uses a small subset of the possible range of x86 instructions. Yes, I am talking about how to clear the keyboard buffer, so that, as soon as I lift my finger from the key, the buffer is clear, and, in the case of a moving sprite, it immediately stops. beginning like the While-Wend. If the condition is false, the loop is exited and the control jumps to the very next statement after the Wend keyword. A loop in QBASIC is a conditional repetitive type of flow where the execution stops automatically after satisfying the iterations. June11,2019 Onthe28thofApril2012thecontentsoftheEnglishaswellasGermanWikibooksandWikipedia projectswerelicensedunderCreativeCommonsAttribution-ShareAlike3. In this particular case, the OUTER loop goes through 100 "cycles", which means the INNER loop is executed 100 times. I still haven't figured out how to reverse it, so I guess you have to do it yourself. Just a quick look a your code shows that you have many undeclared functions, as well as undefined variables. The WHILEWEND statement can only be used in VBA code in Microsoft Access. Specify whether the loop continues "while" the expression is true or "until" the expression is true, using the WHILE and UNTIL statements, respectively. Foreach loop This example demonstrates how to make a simple ForEach loop. Although QBASIC is structured it resembles in many cases with the procedural programming concept. The loop here is pretty obvious, the code within the loop will execute as long as the WHILE a <> b condition becomes true. You then use the OpenTextFile method to open a test file, and you store that object in the objFile variable. An example of using the While…Wend loop is the WhileReadLineWend. In the above code, we are looking for the 3rd instance of “ [object HTMLInputElement]” (an input form). It was based on the earlier QuickBASIC 4. In this blog post we will be discussing the Do. If such sheet exists then skip updating that file & move on to next file in the loop. DO UNTIL INKEY$ = "": LOOP ' checks evaluation before running loop code DO: LOOP UNTIL INKEY$ = "" ' checks evaluation after one run of loop code Example 3: Using a one time DO loop to exit ANY of several FOR LOOPs, without using GOTO. focus), and type “w”. Write a menu-driven QBASIC program to dimension an array with the statement DIM state$(1 TO 50) and maintain a list of certain continental states in the United States. Below is the structure of this loop: Do While condition 'Content to repeat Loop With Do While, the loop is executed as long as the condition is met. In this example, we add a list box to display a series of numbers and the sum of those numbers. You can do this using a while loop. i) A WHILE condition continues the loop, until the condition. Loop will executes until condition is true, and it will stop once condition becomes false. For example: for (i = 1 ; i10 ; i++) {. The only significant difference between these two looping structures is that WHILEWEND checks the condition before running the loop, and DOLOOP checks the condition only after the loop has executed once:. Learning QBasic What is QBasic? QBasic is a programming language designed for DOS (disk operating system) and is a very good "transitional language" to learn to help you migrate from TI-83 BASIC to modern day languages like Visual Basic, C++, and Java. The Do Until loop has the condition "i = 10". Syntax of while loop while (test_expression) { statement } Here, test_expression is evaluated and the body of the loop is entered if the result is TRUE. Loop Redirection QBasic provides methods for changing the order of executing statements within a loop - exit and return. In VBScript we have four looping statements: ForNext statement - runs code a specified number of times; For EachNext statement - runs code for each item in a collection or each element of an array; DoLoop statement - loops while or until a condition. You can then use Exit While to escape the loop. 8 degrees per step and 96 ohms per winding, with center taps brought out to separate leads. 68 WHILE and WEND The WHILE directive starts a sequence of instructions or directives that are to be assembled repeatedly. OK, I Understand. value = “orksheet”), move the cursor into the input form (itm. Basic syntax to use 'do-while' loop is: variable initialization; do { statement 1; statement 2;. That loop hasn't run out yet, so line 3 gets executed. Qbasic program to enter any two numbers and display the HCF and LCM. Example (as VBA Function) The WHILEWEND statement can only be used in VBA code in Microsoft Excel. A loop in QBASIC is a conditional repetitive type of flow where the execution stops automatically after satisfying the iterations. Foreach loop This example demonstrates how to make a simple ForEach loop. Some of the other problems don’t really seem like problems to me. In addition, the %f symbol has some formatting applied to it: The value will be printed with six digits preceding the decimal point and two digits following the decimal point. Exit Do: In order to avoid infinite loops we will have to force the loop to exit. The intExamples variable indicates how many example returns we want to test with, and simulates the number of returned records, thus the number of times the workflow would need to loop. Its goal is to show what programming is about using the fundamental features of QBasic. iii) The EXIT DO statement can be used to exit from inside a DO…LOOP. #2) While…wend Syntax: While {Statement or block of statement} Wend. programs in qbasic examples while wend program in qbasic loop in. You then use the OpenTextFile method to open a test file, and you store that object in the objFile variable. That's all there is to know about WHILEWEND, here is a different type of loop, very much like the one just shown. There is no continue or continue-like statement in VBScript. ) The DO WHILE/DO UNTIL/LOOP WHILE/LOOP UNTIL syntax is too verbose; you're better off using WHILE or GOTO as appropriate. Thanks for the Do WhileLoop help. Replace the FOR…NEXT loop with WHILE…. This loop will execute the code block once, before checking if the condition is true, then it will repeat the loop as long as the condition is true. Here's the While loop's syntax (note that you used to end this loop with Wend in VB6 and before—that's changed to End While now):. 1) can end the infinite loop. This will end up looking like Ex. For example of statement returns a non-zero value then the statement will be true on the other hand if the statement returns zero then statement will be false. The system continues to loop back to the directive following the WHILE directive until the expression yields a FALSE value. LOOP when you want to loop until a condition is true, or the very similar DO WHILE LOOP or WHILE WEND when you want to loop while a condition is true. loop block, a section of code that will execute continuously, or. While it costs the same number of characters as an unconditional GOTO, it's a little more intuitive to read. There are three main types of loops for QBasic / QB64. For example: LOOP_EXIT=0 REPEAT GOSUB 1000 UNTIL LOOP_EXIT=1. Access VBA loop through Table records Suppose we have an Acess Table or Query and you want to loop through the records (in Excel terms, to loop the values in each row), we have to make use of Recordset objects, which has different Methods to help us manipulate data in a database at the record level. Various keywords are used to specify this statement: descendants of ALGOL use "for", while descendants of Fortran use "do". h is a header file which is included using the preprocessing directive #include. Counter = Counter + 1 ' Increment Counter. In summary, the Visual Basic Do Loop structure provides a way to loop a number of times when it is not possible to know in advance how many times the loop may need to iterate. EXIT WHILE will correctly exit the loop before it would have terminated normally. For example: 5! is 5*4*3*2*1. On the other hand in the while loop, first the condition is checked and then the statements in while loop are executed. Anyway I will go on to say how to use a for next loop. After the Wend statement is executed, control is passed back up to the While statement, where condition is evaluated again. Assuming you store the value of the cards in an array called CardValue%() something like the following should. WHILE {code} WEND While a condition is true, the code part inside the loop will run until the condition is false. Exiting a loop. There are different types of loops in VBA: For Loop, For Each, Do While & Do Until loops. The only difference is the While loop starts with While (rather than Do While) and ends with Wend (rather than Loop). The statements in the loop are executed as long as the condition evaluates to True. VBA – Markov Chain with Excel example Posted on May 14, 2018 by Vitosh Posted in VBA Excel Tricks Markov model is a a stochastic model describing a sequence of possible events in which the probability of each event depends only on the state attained in the previous event. where condition is a numeric expression with value True or False. Write down the output of the. 1) Assignment Statement: LET 2) Input Statement: READ , INPUT 3) Output Statement: PRINT 4) Conditional Statement: IF-THEN-ELSE 5) Loop Statement: FOR-NEXT, WHILE-WEND, DO LOOP, GOTO : QBASIC STATEMENTSEach instruction in QBASIC is called a STATEMENT. The while loop is controlled by the same kind of conditional statement that you would see in an VBScript If Statement, so if you already know how an If Statement words, this lesson. DO UNTIL INKEY$ = "": LOOP ' checks evaluation before running loop code DO: LOOP UNTIL INKEY$ = "" ' checks evaluation after one run of loop code Example 3: Using a one time DO loop to exit ANY of several FOR LOOPs, without using GOTO. series = InputBox("Enter number of series") a = 1. Having spent a bit more time looking at it I found a method using find which eliminated the need for the loop. Let us look at an example of this loop. Some loops repeat statements until a condition is False; others repeat statements until a condition is True. Next End Sub Sub Pause() If speed = "fast" Then Wait (5) ElseIf speed = "medium" Then Wait (10) Else Wait (15) End If End Sub. The computer performs the loop WHILE a certain condition is met. VBScript Do While Loop. The Do Loop—This basic mechanism for repeatedly executing a set of statements comes in two forms: a Do Until Loop and a Do While Loop. before each iteration the condition is tested, if it is was true. Microsoft Office Tutorials. Hi Benoit, we have gb. The While and Do loops in VBA. CHECK ENTERED NUMBER IS UPPERCASE OR LOWERCASE in QBASIC, check a given number is palindrome or not in qbasic, check a given string is palindrome or not in qbasic, check given number is armstrong or not in qbasic, reverse a given number in qbasic, Program to convert decimal to hexadecimal in qbasic, Program to convert decimal to octal in qbasic, Program to reverse a given string in qbasic. , the end of the loop) and then start at the top of the loop for the next value of the loop index. At this point, either the statements in the loop execute again (based on the same test that caused the loop to execute initially), or the loop is exited and execution continues with the statement following the Next statement. WHILEWEND: The WHILEWEND loop executes a set of instructions as long as a given condition is true. The program prints a message indicating ' whether or not a math coprocessor is installed. REPEAT … UNTIL expr. If the condition is True, the loop is executed until the program finds Wend and then jumps back to the While statement. Example #2 VBA Do-While Loop. Here, I am only doing of tenth term. Where are they used? Here are some. a=0 WHILE a<=5 PRINT a a=a+1 WEND When you run this, the program will print a until it’s value is less than or equal to 5. Loop While number < 201. Executes a block of statements repeatedly while a given condition is true. A loop can be executed either while the condition is True or until the condition becomes True. The most important distinction between the two loops is that the Do Until Loop arrays executes at least once. I'm used to the do while loop, so I was wondering what would be the difference between this two loops. In the Basic IDE, in some cases, there is no way to stop a macro in an infinite loop except by killing the whole soffice. Dim Counter. Maxey) DISCLAIMER /TERMS OF USE The information, illustrations and code contained in my "Microsoft Word Tips" are provided free and without risk or obligation. Save filename, "my-8bit" The entire system hangs and you must manually remove PICO-8 from the tasklist. Posted by amendra at 11:11 PM. Do While A > 10 ' loop body Loop While A > 10 ' loop body Wend Programming Example: Sorting With Embedded Loops There are many ways to use loops, for example, to search lists, return values, or execute complex mathematical tasks. For loops, unlike while loops, are typically used when the number of iterations is known before entering the loop. This extensive page contains debugged MS Visual Basic 6. BASIC provides a large number of utility functions which are part of BASIC language and are known as Built-in function (or Library functions). The statements in the loop are executed as long as the condition evaluates to True. Q-BASIC PROGRAMS; Awesome Inc. If the condition is still True, the loop is executed again. WEND statement? To execute a function of statements in a loop as long as a given condition is true. QBasic Tutorial 9 - While Loop - QB64. You don't need to worry about this as the CLS command will sort your problems out. Why is it allowed outside that context? Probably because the prevailing thinking at the time was that giving the programmer flexibility is a good thing. You do not know how many times to execute the loop. Plz Like, comment and share this video and subscribe our channel. Counter = Counter + 1 ' Increment Counter. Excel VBA For Do While and Do Until Loop The VBA For Loop and the Do While loops are the two most important loops in the VBA language. If you have read the previous chapter, about the for loop, you will discover that a while loop is much the same as a for loop, with statement 1 and statement 3 omitted. You will find standalone blocks of SQL, record set processing, data manipulation (field and character level), and some useful GUI routines. The WHILE loop, also called a conditional loop, evaluates a condition before each loop executes, and if false, the loop is terminated. Wend statement. The system continues to loop back to the directive following the WHILE directive until the expression yields a FALSE value. statements are one or more statements executed while condition is True. 3 on the right. There are 3 basic types of loops used in programming VB. To find out which of them can be set on a category its recommend to use the hub and spoke model. If the loop is very lengthy, you can move the code for the loop to a separate Thread, allowing it to execute in the background. Plz Like, comment and share this video and subscribe our channel. Reply Delete. In this particular case, the OUTER loop goes through 100 "cycles", which means the INNER loop is executed 100 times. LotusScript interprets a value of 0 as FALSE, and interprets any other value as TRUE. When condition evaluates to False, program execution skips to the first statement following the Wend statement. Here's the While loop's syntax (note that you used to end this loop with Wend in VB6 and before—that's changed to End While now):. This repeats until the outer loop finishes. It's a simple loop. Break and Continue Statements Break Statement. WHILE condition WEND. If the expression is false when the program reaches the WHILE loop, the loop code is jumped and never executed. Led = 0 DO WHILE Led < 11 HIGH Led PAUSE 500 LOW Led PAUSE 500 Led = Led + 2 LOOP. wap to print all odd number from 1 to 100 cls a=1 b=1 do while b<=50 print a a=a+2 b=b+1 loop end wap to print all even numbers from 1 to 100 cls a=2. False Answer the questions. b = 0 a = 10 While a = 10 b = b+1 If b=10 a=11 EndIf Wend. Do while Loop in Excel VBA. Though not quite as flexible, the for loop is actually the more popular of the two — it has a certain elegance that is hard to ignore. Do UntilLoop Statement. Loop While DefResp = vbYes • WhileWend 'Example. The WEND statement transfers the control back to step 1. En la ayuda de QBasic recomiendan que se dejen de usar las instrucciones WHILEWEND para usar mejor las DOLOOP, pero algunas veces será mejor usar las WHILEWEND como en el caso de los ficheros secuenciales que ya veremos más adelante. You can check the condition before you enter the loop (as shown in the following ChkFirstWhile example), or you can check it after the loop has run at least once (as shown in the ChkLastWhile example). Counter = Counter + 1 ' Increment Counter. You can then use Exit While to escape the loop. Articles and Tutorials, QBasic-Forums. before the first iteration is a condition test, the use of this loop is excellent in situations where perhaps we don't need to execute the cycle. WHILE Loop. There are different types of loops in VBA: For Loop, For Each, Do While & Do Until loops. A While loop executes a block of commands between the While and End commands as long as the specified condition is true. If the condition is false, the loop is exited and the control jumps to very next statement after Wend keyword. 1 Introduction. The basic syntax of the While… Wend loop is as follows: While condition [statements] Wend. 0 comments:.