?Public Class 請選擇插值多項式的階數

    Private Sub 請選擇插值多項式的階數_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Me.ComboBox1.SelectedIndex = 2
    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        jieshu = Me.ComboBox1.SelectedIndex + 2
        Me.Close()
    End Sub
End Class