using System; using System.Collections.Generic; using System.Text; using Microsoft.SharePoint; using Microsoft.Office.Server.Search.Administration; using System.Diagnostics; public class FeatureReceiver
: SPFeatureReceiver { SPSite currentSite = null; public override void FeatureActivated(SPFeatureReceiverProperties
properties) { //Debugger.Launch(); this.currentSite
= properties.Feature.Parent as SPSite; createCrawlRules();
} private void createCrawlRules()
{ //get the site SSP's search server instance SearchContext
searchContext = SearchContext.GetContext(this.currentSite); //For
this example, I'll just show how to exclude the Explorer view of a list //Notice
how we're using wildcard characters to specify that every /Forms/WebFldr.aspx page //
will be excluded regaurdless of protocol or location in the site collection string crawlRule
= " *://*/Forms/WebFldr.aspx"; //get
the content source for the search server Content sspContent = new Content(searchContext); //check
to see if the crawl rule exists, and create it if it doesn't if (!sspContent.CrawlRules.Exists(rule))
{ 

//create the crawl rule, setting the type of crawl rule
and the crawl rule string CrawlRule crawlRule = sspContent.CrawlRules.Create(CrawlRuleType.ExclusionRule,
rule); //we want to make sure that the rule still works
if there are querystring variables crawlRule.FollowComplexUrls = true; //at
this point, you can set other properties such as authentication information to crawl //
content using a different identity or authentication method //
for more info , check out http://technet.microsoft.com/en-us/library/cc263150(TechNet.10).aspx //commit
the rule in the database crawlRule.Update(); } } 



public override void FeatureDeactivating(SPFeatureReceiverProperties
properties){} 


public override void FeatureInstalled(SPFeatureReceiverProperties
properties){} 


public override void FeatureUninstalling(SPFeatureReceiverProperties
properties){} 



}