WCF从win客户端传递AD登录，然后在WCF服务器中验证它是正确的

I am wanting to create an application in winforms that calls a new WCF application that I create, and I want it to pass the current windows login credentals, enought to be able to pass it to the WCF side so that the WCF side app can validate that it is a good user. I want this so i can enable single sign in.I am wanting to create an application in winfor