Imports System
Public Class MainClass
Shared Sub Main(ByVal args As String())
Dim X As Integer
' Try to calculate X.
On Error Resume Next
X = CalculateValue()
Select Case Err.Number
Case 0 ' No error. Do nothing.
Case 11 ' Divide by zero. Set a default value.
X = 1000
Case Else ' Unexpected error. Tell the user.
Console.WriteLine("Error calculating X." & vbCrLf & Err.Description)
Exit Sub
End Select
Console.WriteLine("X = " & X)
End Sub
Shared Private Function CalculateValue() As Integer
Return 1 \ Integer.Parse("0")
End Function
End Class