C# Using With Equivalent in VB.NET

Question

var baseAddress = new Uri("http://www.aaa.com");
    var cookieContainer = new CookieContainer();
    using (var handler = new HttpClientHandler() { CookieContainer = cookieContainer })
    using (var client = new HttpClient(handler){ BaseAddress = baseAddress })
{}

I tried to convert this code with the Developer Fusion tool to VB.NET but was not successful.

Dim baseAddress = New Uri("http://www.aaa.com")
Dim cookieContainer = New CookieContainer()
Using handler = New HttpClientHandler() With { _
    Key .CookieContainer = cookieContainer _
}
    Using client = New HttpClient(handler) With { _
        Key .BaseAddress = baseAddress _
    }
    End Using
End Using

an error occured "key . "

What is the VB.NET equivalent of this code (using with statement)?

no , i tried this before but not working...(Error 2 Name of field or property being initialized in an object initializer must start with '.'. — Pisagor, Jun 29 '15 at 08:35
ok i tried delete only "Key" word and it run! Key .CookieContainer = cookieContainer--> .CookieContainer = cookieContainer — Pisagor, Jun 29 '15 at 08:38

score 3 · Accepted Answer · answered Jun 29 '15 at 08:35

Just remove the Key word

Using handler = New HttpClientHandler() With { _
    .CookieContainer = cookieContainer _
}
    Using client = New HttpClient(handler) With { _
        .BaseAddress = baseAddress _
    }
    End Using
End Using

SimplyInk · Answer 2 · 2015-06-30T00:21:32.163

I learnt something new (Object Initializers: Named and Anonymous Types) from Kilanny's answer; here's how I refactored the converted code:

    Dim baseAddress = New Uri("http://www.aaa.com")
    Dim cookieContainer = New Net.CookieContainer()
    Using handler As New HttpClientHandler
        With handler
            .CookieContainer = cookieContainer
            Using client As New HttpClient(handler)
                With client
                    .BaseAddress = baseAddress
                End With
            End Using
        End With
    End Using

C# Using With Equivalent in VB.NET

2 Answers2