Page 132 - TCS ICT Book 8
P. 132

The City School  2021-2022




             Event Handling


             Public Class Form1

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

                 End Sub
                 Private Sub Form1_MouseHover(ByVal sender As Object, ByVal e As

             System.EventArgs) Handles Me.MouseHover

                     MsgBox(“This window pop-up window appears when mouse is hovered
             over the button”)

                 End Sub
             End Class


             Functions and Subroutines



             Public Class Form1
                 Private Function BMI(ByVal Height As Single, ByVal weight As Single)

             As Double

                     BMI = weight / Height ^ 2
                 End Function

                 Private Sub btnBMI_Click(ByVal sender As System.Object, ByVal e As
             System.EventArgs) Handles btnBMI.Click

                     Dim h As Single

                     Dim w As Single
                     h = Val(TextBox1.Text)

                     w = Val(TextBox2.Text)

                     lblBMIResult.Text = BMI(h, w)
                 End Sub

             End Class





















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