how to block a user in facebook via api(coding)

I am developing a windows app开发者_Python百科 using c#.net. I want to block a user in facebook using api. Any one suggest me is there any methods to block a user in facebook via api

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There is a function to ban users from your app in the Facebook REST api here:

https://developers.facebook.com/docs/reference/rest/admin.banUsers/

The REST API is deprecated but you can call many of the same functions through the Open Graph API.