Throwing a Custom Exception in VB.net

By: Steven Holzner Emailed: 1790 times Printed: 2623 times    

You can customize the exceptions you throw by creating a new exception object based on the ApplicationException object. Here's an example where I'm creating a new ApplicationException object with the text "This is a new exception", and then throwing and catching that exception:

Module Module1
    Sub Main()
        Try
            Throw New ApplicationException("This is a new exception")
        Catch e As Exception
            System.Console.WriteLine(e.Message)
        End Try
    End Sub
End Module

Here's what you see when you run this console application:

This is a new exception

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