If ((yr Mod 4) = 0) Then
IsLeapYearA = ((yr Mod 100) > 0) Or ((yr Mod 400) = 0)
End If
End Function
Private Sub Command1_Click()
If IsLeapYearA(Val(Text1.Text)) Then
Print Text1.Text & "年是閏年"
Else
Print Text1.Text & "年不是閏年"
End If
End Sub
Private Sub Form_Load()
Text1.Text = ""
End Sub