A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data
There is no built in function in excel for sharp blink.
Here is an workaround. If you need more help on VBA code, you can create a new post in Stack Overflow. There are also many experienced engineers and experts in the forums there.
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Dim NextTime As Date
Dim xColor As Long
Sub Flash()
NextTime = Now + TimeValue("00:00:01")
With ActiveSheet.Shapes("Rounded Rectangle 4").Fill.ForeColor
If xColor = 0 Then
xColor = .SchemeColor
End If
.SchemeColor = Int(Rnd() * 55 + 1)
End With
Application.OnTime NextTime, "Flash"
End Sub
Sub StopIt()
Application.OnTime NextTime, "Flash", schedule:=False
ActiveSheet.Shapes("Rounded Rectangle 4").Fill.ForeColor.SchemeColor = xColor
xColor = 0
End Sub
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Best Regards,
Snow Lu