How to programatically querying from a custom scope

Hi All
I am using below code in a visual wp to implement search functionality.
SearchServiceApplicationProxy proxy
= (SearchServiceApplicationProxy)SearchServiceApplicationProxy.GetProxy(SPServiceContext.GetContext(SPContext.Current.Site));
KeywordQuery query
= new KeywordQuery(proxy);
query.ResultsProvider = Microsoft.Office.Server.Search.Query.SearchProvider.Default;
query.QueryText = queryText;
query.RowLimit = 100;
Above code is showing data from default scope ie 'All Sites' but I want show data from custom scope 'MyCustomScope'. Is it possible to provide scope name in code
Please help

Hi Pramod,
You can define your scope in HiddenConstraints property of KeywordQuery class.
keywordQuery.HiddenConstraints = "scope:\"XYZ\"";
In your case
query.HiddenConstratints = "scope:\"MyCustomScope\"";
Also you can refer below link for more information,
http://www.mstechblogs.com/paul/sharepoint-2010-keywordquery-and-the-hiddenconstraints-property
Regards,
Uday G

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Please kindly help me !!

Hi,
check the links to create Infosets
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http://help.sap.com/saphelp_nw04s/helpdata/EN/ab/7a877cba29144b85d07f26f1f50cd8/content.htm
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How to programatically querying from a custom scope

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