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'put this code just below the class level <DllImport("KERNEL32.DLL", EntryPoint:="Beep", SetLastError:=True, _ CharSet:=CharSet.Unicode, ExactSpelling:=True, _ CallingConvention:=CallingConvention.StdCall)> _ Public Shared Function _ aBeep(ByVal dwFreq As Integer, ByVal dwDuration As Integer) _ As Boolean ' Leave the body of the function empty. End Function 'now make a call to the Function with Frequency 'and Duration parameters. Can be used anywhere you want 'to alert the user. aBeep(1000, 500) aBeep(2000, 1000)
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