谁有用VB做的21点游戏 源代码

       Public Class Frm

        Private Sub BtnStart_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnStart.Click

        Btn.Visible = True

        BtnCheat.Visible = True

        Txt1.Visible = True

        Txt2.Visible = True

        Txt3.Visible = True

        End Sub

        Private Sub Btn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Btn.Click

        PB.Visible = False

        Randomize()

        Txt1.Text = CShort(Rnd() * )

        Txt2.Text = CShort(Rnd() * )

        Txt3.Text = CShort(Rnd() * )

        If CShort(Txt1.Text) + CShort(Txt2.Text) + CShort(Txt3.Text) = Then

        PB.Visible = True

        End If

        End Sub

        Private Sub BtnCheat_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnCheat.Click

        Randomize()

        Txt1.Text = CShort(Rnd() * )

        Txt2.Text = CShort(Rnd() * )

        Txt3.Text = - Txt1.Text - Txt2.Text

        PB.Visible = True

        End Sub

       End Class