Public Class Form1
Dim n As Integer = 1
Dim sum As Integer
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
sum = sum + n
n = n + 2
If n > 10 Then
Me.Text = n
End If
End Sub
End Class
اول قيمة سوف تظهر على شريط العنوان للنموذج هى 11
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