C#/.NET: How to access a network printer share with another user's credentials?

In Windows, when using a local PC account and trying to access the network printer share (ie typing "\printershare" in the Run window), a box pops up asking for a d开发者_运维问答omain user's username and password.

Put in a domain user's username and password, and then the printer share appears using the domain user's credentials.

How can this be achieved via C#?

I have tried the following methods:

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var printerShare = new DirectoryEntry(@"\\printershare\", "username", "password");

var printerShare = new DirectoryEntry(@"WinNT://printershare\", "username", "password");

var printerShare = new DirectoryEntry(@"WinNT:\\printershare\", "username", "password");

var printerShare = new DirectoryEntry("LDAP://printershare.corp.domain.com", "username", "password");

var printerShare = new DirectoryEntry("LDAP:\\printershare.corp.domain.com", "username", "password");

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Unfortunately, none of them work. Mapping a network directory or folder would be simple.

But the fact that there are no folders is what is making me scratch my head.

Anyone know what I'm doing wrong here?

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Check out this question (specifically the NetworkConnection class):

How to provide user name and password when connecting to a network share