get tweet from twitter

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C#3.0

C#

application

API

twitter

Hiii,
I need to get status from twitter in an C# console Application.At now time i am trying to do this by using twitterize framework dll.i got this from a site.but i unable to get tweet.i want to search tweet according to three query string.

1.if i type #india then it must show all tweets having #india hashtag.
2.if i type @user then it must show all tweets having username @user.
3.if i type any keyword then it must show all tweets having the entered keyword.

i am trying to do this.

Thanks in advance.