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Sub NoScreenRePainting() Application.ScreenUpdating=False 'Your code here. Application.ScreenUpdating=True End Sub
Sub NoCalculations() Application.Calculation = xlCalculationManual 'Your code here. Application.Calculation = xlCalculationAutomatic End Sub
Sub StopAllEvents() Application.EnableEvents = False 'Your code here. Application.EnableEvents = True End Sub
Sub WithARange() With Range("A1") .Value = 100 .Font.Bold = True .Interior.ColorIndex = 6 .Copy Destination:=Range("B1") End With End Sub
Sub EmptyText() Dim strWords As String strWords = "Cats" MsgBox strWords strWords = vbNullString MsgBox strWords End Sub
Sub NoAutoFillOrCopy() Range("A1:A200").FormulaR1C1 = "=SUM(RC[1]:RC[5])" End Sub
Tip: To get a formula, type it in any cell then select the cell, go Tools>Macro>Record new macro and record a macro pushing F2 then Enter.
Sub NoCopyAndPaste() 'Instead of: Sheet1.Range("A1:A200").Copy Sheet2.Range("B1").pasteSpecial Application.CutCopyMode=False'Clear Clipboard 'Use: 'Bypasses the Clipboard Sheet1.Range("A1:A200").Copy Destination:=Sheet2.Range("B1") 'Or, if only values are needed: Sheet2.Range("B1:B200").Value= Sheet1.Range("A1:A200").Value 'Or, if only formulae are needed: Sheet2.Range("B1:B200").Formula = Sheet1.Range("A1:A200").Formula 'See also FormulaArray and FormulaR1C1 etc 'Instead of: Sheet1.Range("A1:A200").Copy Sheet1.Range("A1:A200").PasteSpecial xlPasteValues Application.CutCopyMode=False'Clear Clipboard 'Use: Sheet1.Range("A1:A200") = Sheet1.Range("A1:A200").Value End Sub
Always declare your variables correctly!
To quickly view a variables definition:
Select the variable that you want the definition for.
Go to View>Definition (Shift+F2)
To return to your previous position:
Go to View>Last Postition (Ctrl+Shift+F2).
Sub ReleaseObjectMemory() 'Could be any variable of the Object type Dim wSheet as Worksheet 'Set Object variable Set wSheet = Sheet1 'Your code here. 'Release memory Set wSheet = Nothing End Sub
Don't get caught in the Loop.
Follow this link to see why Loops should (and
usually can) be avoided.
More often than not people would use an If, Else Statement to test whether a condition is TRUE or FALSE. There is however a slightly faster (and less typing) method. The first example shows the common method, while the second shows a faster method. Of course in such a small example the difference is not noticeable.
Sub TrueOrFalseSlower() Dim bYesNo As Boolean Dim i As Integer If i = 5 Then bYesNo = True Else bYesNo = False End If MsgBox bYesNo End Sub
Sub TrueOrFalseFaster() Dim bYesNo As Boolean Dim i As Integer bYesNo = (i = 5) MsgBox bYesNo End Sub
Sub ToggleTrueOrFalseSlower() Dim bYesNo As Boolean If bYesNo = False Then bYesNo = True Else bYesNo = False End If MsgBox bYesNo End Sub
Sub ToggleTrueOrFalseFaster() Dim bYesNo As Boolean bYesNo = Not bYesNo MsgBox bYesNo End Sub
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