Difference between revisions of "Visual Basic Do ... Loops"

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(New page: Often when looping it is not possible to know in advance how many times the loop needs to be performed. For example, a loop may need to continue until some specific criteria are met. Under...)
 
(Creating a Visual Basic Do ... Loop)
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The Visual Basic ''Do ... Loop'' structure can be used in a variety of different ways. The first, basic method involves a simple Do loop with an Exit statement called based on a ''If'' statement. The syntax for this type of Do Loop is as follows:
 
The Visual Basic ''Do ... Loop'' structure can be used in a variety of different ways. The first, basic method involves a simple Do loop with an Exit statement called based on a ''If'' statement. The syntax for this type of Do Loop is as follows:
  
'''Do'''
+
'''Do'''<br>
    ''[VB Statements]''
+
''[VB Statements]''<br>
    '''If''' ''expression'' '''Then Exit Do'''
+
'''If''' ''expression'' '''Then Exit Do'''<br>
'''Loop'''
+
'''Loop'''<br>

Revision as of 19:19, 6 August 2007

Often when looping it is not possible to know in advance how many times the loop needs to be performed. For example, a loop may need to continue until some specific criteria are met. Under such circumstances the Visual Basic Do ... Loop structure is used.

Creating a Visual Basic Do ... Loop

The Visual Basic Do ... Loop structure can be used in a variety of different ways. The first, basic method involves a simple Do loop with an Exit statement called based on a If statement. The syntax for this type of Do Loop is as follows:

Do
[VB Statements]
If expression Then Exit Do
Loop