No options for autoresizing window in size inspector (XCode 4.5.2)

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Solution

In Xcode, go to File Inspector window just uncheck checkbox given for "Use Autolayout" and switch to Size inspector you will see autoresizing window there.

Problem

in XCode 4.5.2, when I created a new XIB file, I don't get an options to use the auto-resizing window in the size inspector (on the right hand side). But if I use old Xib files, that was created in another project, I can see the auto-resizing options. What I am seeing now: But I want to see/ have an options like the following image: I am using XCode 4.5.2 How can I have auto resizing options ? Thanks in advance.

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