Imports System Module ConditionalCompilation Sub Main() Dim value As Integer Try 'Testing #If and #End If Block #If True value=10 #End If If value<>10 Then Throw New Exception("#A1-Conditional Compilation:Failed ") End If Catch e As Exception Console.WriteLine(e.Message) End Try Try #If False Throw New Exception("#A2-Conditional Compilation:Failed")") #End If Catch e As Exception Console.WriteLine(e.Message) End Try End Sub End Module