Send credentials to WebBrowser

I have a webbrowser control that navigates to sharepoint port.

How can i send credentials to webbrowser contr开发者_如何学运维ol, so i can navigate to the site with custom credentials?

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It depends on the authentication method used by the server. For form authentication you just need to simulate a form post. But most likely the site is using integrated Windows authentication and you need to implement IAuthenticate(Ex) Or impersonate via LogonUser.