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Tip of the Day
Language: Visual Basic
Expertise: Beginner
Aug 6, 1997

For...Next Loop Speedup

Whenever you use For.Next loops, it is faster NOT to use the counter name after Next (of the For.Next loop). In nested loops, it produces significantly faster code.
 Sub Form_Load ()
Dim TStart!
Dim I As Integer

TStart! = Timer
	For I = 1 To 32000
	Next I
Debug.Print Timer - TStart!

TStart! = Timer
	For I = 1 To 32000
	Next ' I ' For readability, it is better 
		' to show the counter name 
		' by commenting it out. 
Debug.Print Timer - TStart!

End Sub
Mansoor A.
 
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