a·gen·tic a·gil·i·ty

Returning an Anonymous type…

Explains how to return and use anonymous types from functions in VB.NET, highlighting late binding, Option Strict settings, and limitations like lack of IntelliSense.

Published on
2 minute read
Image
https://nkdagility.com/resources/ZD6hMyXVz9s
Subscribe

Returning an Anonymous type... In VB.NET it is actually possible to return an Anonymous type from a function and use it somewhere else. In VB.NET you need to use late binding so you can’t change the “Option strict” compiler option to true as I have always done in the past. This option, that defaults to “Off”, is the main reason that C# developers scoff at VB, but this feature is now available, controversially in C#.

In this example I created an anonymous type that has three properties.

 1    Public Function GetTwiterCredentials() As Object
 2        If Not My.Settings.TwitterEmail.Length > 3 Then
 3            GetSettings()
 4        End If
 5        If Not My.Settings.TwitterPassword.Length > 3 Then
 6            GetSettings()
 7        End If
 8        If Not My.Settings.TwitterUsername.Length > 3 Then
 9            GetSettings()
10        End If
11        Return New With { _
12                    .Email = My.Settings.TwitterEmail, _
13                    .Password = My.Settings.TwitterPassword, _
14                    .Username = My.Settings.TwitterUsername _
15                        }
16    End Function

The use of this is very simple, although I would like an option other than to return “Object” so Visual Studio knows that it is an anonymous type.

1            Dim TwiterCredentials = View.GetTwiterCredentials
2            Dim result As String = ""
3            result = Twitter.TwitterAPI.UpdateStatus( _
4                                    status, _
5                                    TwiterCredentials.Email, _
6                                    TwiterCredentials.Password _
7                                    )

There is no intellisense with this, so you have to know what the options are. Hopefully in future versions this will be rectified.

Technorati Tags: .NET

Subscribe

Related Blog

No related videos found.

Connect with Martin Hinshelwood

If you've made it this far, it's worth connecting with our principal consultant and coach, Martin Hinshelwood, for a 30-minute 'ask me anything' call.

Our Happy Clients​

We partner with businesses across diverse industries, including finance, insurance, healthcare, pharmaceuticals, technology, engineering, transportation, hospitality, entertainment, legal, government, and military sectors.​

Freadom Logo

Freadom

Cognizant Microsoft Business Group (MBG) Logo

Cognizant Microsoft Business Group (MBG)

Lean SA Logo

Lean SA

Trayport Logo

Trayport

Jack Links Logo

Jack Links

Brandes Investment Partners L.P. Logo

Brandes Investment Partners L.P.

Sage Logo

Sage

Illumina Logo

Illumina

Flowmaster (a Mentor Graphics Company) Logo

Flowmaster (a Mentor Graphics Company)

NIT A/S

Workday Logo

Workday

Higher Education Statistics Agency Logo

Higher Education Statistics Agency

Ericson Logo

Ericson

Deliotte Logo

Deliotte

Graham & Brown Logo

Graham & Brown

Healthgrades Logo

Healthgrades

Alignment Healthcare Logo

Alignment Healthcare

Boxit Document Solutions Logo

Boxit Document Solutions

Royal Air Force Logo

Royal Air Force

Department of Work and Pensions (UK) Logo

Department of Work and Pensions (UK)

Washington Department of Enterprise Services Logo

Washington Department of Enterprise Services

Washington Department of Transport Logo

Washington Department of Transport

Ghana Police Service Logo

Ghana Police Service

Nottingham County Council Logo

Nottingham County Council

Freadom Logo

Freadom

Epic Games Logo

Epic Games

Slaughter and May Logo

Slaughter and May

Philips Logo

Philips

Workday Logo

Workday

Jack Links Logo

Jack Links