Visual Basic Do ... Loops
From Techotopia
Revision as of 19:19, 6 August 2007 by Neil (Talk | contribs) (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...)
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
