VB作业

Private Sub Command1_Click()
    Me.Font.Size = 30
    
Dim a As Integer
Dim b As Integer

Dim s As String
Dim yushu As Byte

    a = 1230: b = 16
    
    While a <> 0
        yushu = a Mod b
        s = f(yushu) & s
        a = a \ b
    Wend
Print s


End Sub


Private Function f(yushu As Byte) As String
    If yushu <= 9 Then
        f = yushu
    Else
        Select Case yushu
            Case 10, 11, 12, 13, 14, 15
            f = Chr(yushu + 55)
        End Select
    End If
    
End Function