PERTEMUAN KE  2  DAN 3

Agenda  :  Membuat  Form  yang berisi LOOPING , DO , WHILE

Berikut  Sourse codenya:

Public Class Form1

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

        Dim I As Integer = I

        ListBox1.Items.Clear()

        I = Val(TextBox2.Text)

        Do While I <= Val(TextBox3.Text)

            If I Mod 3 = 0 And I Mod 2 = 0 Then

                ListBox1.Items.Add(I * -1)

            Else

                If I Mod 3 = 0 Then

                    ListBox1.Items.Add(I)

                End If

            End If

            I = I + 1

        Loop

    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click

        Dim I As Integer

        ListBox1.Items.Clear()

        For I = 1 To 10

            ListBox1.Items.Add(I)

        Next

    End Sub

    Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click

        Dim I As Integer

        ListBox1.Items.Clear()

        For I = Val(TextBox2.Text) To Val(TextBox3.Text)

            ListBox1.Items.Add(I)

        Next

    End Sub

    Private Sub Button6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button6.Click

        Dim I As Integer

        ListBox1.Items.Clear()

        For I = Val(TextBox2.Text) To Val(TextBox3.Text)

            If I Mod 3 = 0 And I Mod 2 = 0 Then

                ListBox1.Items.Add(I * -1)

            Else

                If I Mod 3 = 0 Then

                    ListBox1.Items.Add(I)

                End If

            End If

        Next

    End Sub

    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click

        Dim I As Integer = I

        ListBox1.Items.Clear()

        Do While I <= 10

            ListBox1.Items.Add(I)

            I = I + 1

        Loop

    End Sub

    Private Sub Button7_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button7.Click

        Dim I As Integer = I

        ListBox1.Items.Clear()

        I = Val(TextBox2.Text)

        Do While I <= Val(TextBox3.Text)

            ListBox1.Items.Add(I)

            I = I + 1

        Loop

    End Sub

End Class

Hasil Outoutnya:  dalam form