Performance Implications of Screen Updating : Application « Application « VBA / Excel / Access / Word






  1. VBA / Excel / Access / Word
  2. Application
  3. Application

Performance Implications of Screen Updating

 
Sub TimeScreenUpdating() 
    Dim dResult As Double 
    dResult = TestScreenUpdating(True) 
    MsgBox Format(dResult, "0.00") & " seconds.", vbOKOnly 

    dResult = TestScreenUpdating(False) 
    MsgBox Format(dResult, "0.00") & " seconds.", vbOKOnly 

End Sub 
Function TestScreenUpdating(bUpdatingOn As Boolean) As Double 
    Dim nRepetition As Integer 
    Dim ws As Worksheet 
    Dim dStart As Double 

    dStart = Timer 

    Application.ScreenUpdating = bUpdatingOn 

    For nRepetition = 1 To 250 
        For Each ws In ThisWorkbook.Worksheets 
            ws.Activate 
        Next 
    Next 

    Application.ScreenUpdating = True 
    TestScreenUpdating = Timer - dStart 
    Set ws = Nothing 
End Function








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