Option Explicit
Private Sub Command1_Click()
Print 2000
Print IsLeapYearA(2000)
Print IsLeapYearB(2000)
Print 1999
Print IsLeapYearA(1999)
Print IsLeapYearB(1999)
Print 1998
Print IsLeapYearA(1998)
Print IsLeapYearB(1998)
Print 1997
Print IsLeapYearA(1997)
Print IsLeapYearB(1997)
Print 1996
Print IsLeapYearA(1996)
Print IsLeapYearB(1996)
End Sub
Function IsLeapYearA(ByVal yr As Integer) As Boolean
If ((yr Mod 4) = 0) Then IsLeapYearA = ((yr Mod 100) ＞ 0) Or ((yr Mod 400) = 0)
End If
End Function
Public Function IsLeapYearB(ByVal yr As Integer) As Boolean
IsLeapYearB = Day(DateSerial(yr, 2, 29)) = 29
End Function
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