Membuat program simulasi lampu lalulitas dengan VB

1.     Langkah pertama buka program Visual Basic

2.     Pilih standar.exe untuk New Project kemudian Klik Open

3.     Tambahkan 5 Label 1 label untuk judul dan 4 label untuk waktu masing-masing simpang, 4 frame untuk masing-masing simpang dan 12 shape dimana atur properti fillstyle mendaji solid dan fillcolor pilih warna yang sesuai serta satu buah timer dan desainlah menjadi seperti gambar dibawah ini :

4.     Ubah Properti Interval pada control Timer dengan memasang nilai 1000 dan dalam keadaan false.

5.     Masukkan kode program seperti dibawah ini :

Private Sub tunda()

a = Timer

Do While Timer < 1 + a

DoEvents

Loop

End Sub

Private Sub Form_Load()

Timer1.Enabled = True

End Sub

Private Sub Timer1_Timer()

For i = 0 To 10

Label1(0).Caption = 11 - i

Label1(1).Caption = 21 - i

Label1(2).Caption = 31 - i

Label1(3).Caption = 41 - i

If i = 0 Then

Shape10.FillColor = &HC0C0&

Shape1.FillColor = &HC0&

Shape2.FillColor = vbYellow

Shape5.FillColor = vbRed

Shape8.FillColor = vbRed

Shape11.FillColor = vbRed

Else

Shape12.FillColor = &H8000&

Shape2.FillColor = &HC0C0&

Shape3.FillColor = vbGreen

End If

tunda

Next i

For i = 10 To 20

Label1(0).Caption = 51 - i

Label1(1).Caption = 21 - i

Label1(2).Caption = 31 - i

Label1(3).Caption = 41 - i

If i = 10 Then

Shape5.FillColor = &HC0&

Shape3.FillColor = &H8000&

Shape2.FillColor = vbYellow

Shape4.FillColor = vbYellow

Else

Shape2.FillColor = &HC0C0&

Shape4.FillColor = &HC0C0&

Shape1.FillColor = vbRed

Shape5.FillColor = &HC0&

Shape6.FillColor = vbGreen

End If

tunda

Next i

For i = 20 To 30

Label1(0).Caption = 51 - i

Label1(1).Caption = 61 - i

Label1(2).Caption = 31 - i

Label1(3).Caption = 41 - i

If i = 20 Then

Shape8.FillColor = &HC0&

Shape6.FillColor = &H8000&

Shape4.FillColor = vbYellow

Shape7.FillColor = vbYellow

Else

Shape4.FillColor = &HC0C0&

Shape7.FillColor = &HC0C0&

Shape5.FillColor = vbRed

Shape8.FillColor = &HC0&

Shape9.FillColor = vbGreen

End If

tunda

Next i

For i = 30 To 40

Label1(0).Caption = 51 - i

Label1(1).Caption = 61 - i

Label1(2).Caption = 71 - i

Label1(3).Caption = 41 - i

If i = 30 Then

Shape11.FillColor = &HC0&

Shape9.FillColor = &H8000&

Shape7.FillColor = vbYellow

Shape10.FillColor = vbYellow

ElseIf i = 40 Then

Shape2.FillColor = vbYellow

Shape10.FillColor = vbYellow

Shape12.FillColor = &H8000&

Shape1.FillColor = &HC0&

Else

Shape7.FillColor = &HC0C0&

Shape10.FillColor = &HC0C0&

Shape8.FillColor = vbRed

Shape11.FillColor = &HC0&

Shape12.FillColor = vbGreen

End If

tunda

Next i

End Sub