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Use Refresh, not DoEvents

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The DoEvent statement should be used only to give other portions of your program to be reactive to the end user's actions. Instead, many VB developers use it to force a repaint of a form or some of its controls. This means adding a lot of overhead to your code, which you can avoid by using the Form's Refresh method or (even better), the Refresh method of the only control that needs to be updated:

Click here to copy the following block
Dim i As Integer
For i = 1 To 10000
  ' do something here
  '
  ' Update a label with iteration count
  lblStatus.Caption = "Iteration #" & i
  ' refresh *only* the label
  lblStatus.Refresh
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Submitted By : Nayan Patel  (Member Since : 5/26/2004 12:23:06 PM)

Job Description : He is the moderator of this site and currently working as an independent consultant. He works with VB.net/ASP.net, SQL Server and other MS technologies. He is MCSD.net, MCDBA and MCSE. In his free time he likes to watch funny movies and doing oil painting.
View all (893) submissions by this author  (Birth Date : 7/14/1981 )


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