Typical C# Usage
//Get user name and password.
string userName = this.Request.ServerVariables.Get("AUTH_USER");
string pass = this.Request.ServerVariables.Get("AUTH_PASSWORD");
//Set credentials.
WbH.PreAuthenticate = true;
WbH.Credentials = new NetworkCredential(userName,pass);
lblMsg.InnerHtml = mpsResponseHeaderLabel;
//Display response.
this.mpsResponse.DocumentSource = "";
response = WbH.EnablePlan(preferredDomainController, planName,true);
// set the response XML to match the return from MPF
responseXml.LoadXml(response);
this.mpsResponse.Document = responseXml;