enable versioning to sharepoint list

The following is the code snippet which is used to do the versioning settings.

        ///Enable Versioning to lists

        SPContext.Current.Web.AllowUnsafeUpdates = true;

        SPList objList = SPContext.Current.Web.Lists["TestList"];

        //EnableVersioning:- True if versioning is enabled for the document library; Otherwise false.

        objList.EnableVersioning = true;

        //EnableMinorVersions:- true if minor versions are enabled when versioning is enabled for the document library; otherwise false.

        objList.EnableMinorVersions = true;

        //EnableModeration: property is true if Content Approval is enabled; otherwise, false

        objList.EnableModeration = true;

        //ForceCheckout:- This property is true if Forced checkout is enabled for the document library; otherwise false

        objList.ForceCheckout = true;

        //DraftVersionVisibility:- Set the accessibilty of the minor versions of document drafts within the list.

        objList.DraftVersionVisibility = DraftVisibilityType.Author;

        objList.Update();

  SPContext.Current.Web.AllowUnsafeUpdates = false;