VB.NET: Contoh Project Kalkulator Energi Kinetik

Design UI

Code
Public Class Form1
 Dim m As Single
 Dim v As Single
 Dim en As Single

 Private Sub Form1_Load(ByVal sender As System.Object, _
         ByVal e As System.EventArgs) Handles MyBase.Load
     txtMassa.Text = 10
     txtKecepatan.Text = 40
     m = txtMassa.Text
     v = txtKecepatan.Text
 End Sub

 Private Sub txtMassa_TextChanged(ByVal sender As System.Object, _
         ByVal e As System.EventArgs) Handles txtMassa.TextChanged
     m = txtMassa.Text
 End Sub

Private Sub txtKecepatan_TextChanged(ByVal sender As System.Object, _
         ByVal e As System.EventArgs) Handles txtKecepatan.TextChanged
     v = txtKecepatan.Text
 End Sub

 Private Sub btnHitung_Click(ByVal sender As System.Object, _
         ByVal e As System.EventArgs) Handles btnHitung.Click
     en = (1 / 2) * m * (v ^ 2)
     lblEnergiValue.Text = en & " Joule"
 End Sub
End Class

Runtime

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