While...Wend statement
When the specified condition isTrueWhen executing a series of statements.
While condition
;
 Version [statements]
Wend
parameter
condition
numerical or string expression, the result of the calculation isTrueorFalse. ifconditionis Null, thenconditionBeing treated asFalse。
statements
In the conditionTrueone or more statements executed when.
illustrate
ifconditionforTrue,butstatementsAll inWendAll statements before the statement will be executed, and then the control will be returned toWhilestatement, and recheckcondition. ifconditionStill forTrue, the above process is repeated. If notTrue, thenWendThe statement after the statement continues to execute the program.
While...WendLoops can be multi-layer nested structures. EachWendWith the nearestWhilestatement corresponds.
Notice Do...LoopStatements provide a more structured and more adaptable way to execute loops.
The following example shows how to use itWhile...WendStatement:
Dim CounterCounter = 0 '
Initialize variables。While Counter < 20 '
Test counter value。Counter = Counter + 1 '
Increase the counter。Alert Counter
Wend '
The counter is greater than19
terminates the loop。
Require
Version 1