OAuth login forms for Windows Forms projects.
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Nemiro.OAuth.LoginForms is a class library that contains ready-to-use OAuth authorization forms for Windows Forms projects (.NET Framework).

It is an independent part of the Nemiro.OAuth project.

Nemiro.OAuth.LoginForms is licensed under the Apache License Version 2.0.

To install Nemiro.OAuth.LoginForms, run the following command in the Package Manager Console:

PM> Install-Package Nemiro.OAuth.LoginForms

System Requirements

  • Nemiro.OAuth v1.13 or later;
  • .NET Framework 3.5, 4.0, 4.5, 4.6 or 4.7;
  • Windows Forms.


Nemiro.OAuth.LoginForms is distributed under Apache License Version 2.0.

How to use

Create an authorization form for a provider OAuth. Use the Client ID and Secret Key that you received from the provider.

For example, DropBox:


// create login form
var login = new DropboxLogin
  clientId     : "5nkunr8uscwfoba", 
  clientSecret : "n7x9icfwoe6dehq", 
  returnUrl    : "https://oauthproxy.nemiro.net/",
  autoLogout   : false,
  loadUserInfo : false

login.Owner = this;

// show login form

// authorization is success
if (login.IsSuccessfully)
  // use the access token for requests to API

Visual Basic .NET

' create login form
Dim login As New DropboxLogin _
  clientId     := "5nkunr8uscwfoba", 
  clientSecret := "n7x9icfwoe6dehq", 
  returnUrl    := "https://oauthproxy.nemiro.net/",
  autoLogout   := False,
  loadUserInfo := False

login.Owner = Me

' show login form

' authorization is success
If login.IsSuccessfully Then
  ' use the access token for requests to API
End If


Use the resources localization for different languages.

For example:

  • /ru/Nemiro.OAuth.LoginForms.resources.dll
  • /de/Nemiro.OAuth.LoginForms.resources.dll
  • Nemiro.OAuth.LoginForms.dll

This example will use the English (default), Russian and German.

See Also