Hi David,

Yes, you are correct that VB .NET does not allow you to call the base constructor anywhere but the first line of code.

Here is the reason why it doesn't work:

The VB.NET Lang. Spec. section 7.2 says:

"Note that variable initializers are transformed into assignment
statements, and that these assignment statements are executed after
the invocation of the base class constructor. Such ordering ensures
that all base instance variables are initialized by their variable
initializers before any statements that have access to the instance
are executed"


>I can only put the call to the base constructor as the first line. Anywhere else, I get a compile error message: "constructor call is valid only as the first statement in an instance constructor". In C# I can put it anywhere.
>
>

>Public Class BaseClass
>    Public Sub New()
>
>    End Sub
>End Class
>
>Public Class MyDerivedClass
>    Inherits BaseClass
>
>    Public Sub New()
>        Dim x As Int32 = 0
>        x = x + 1
>        MyBase.New() ' This wont work, have to put it on firt line of the method
>    End Sub
>
>End Class
>

>
>Does anyone know the design decision behind this one?