TextBlock inside a DataTemplate not being recognised inautomation.

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C#

WPF

We are automating a WPF application in VSTS 2010.

The problem is that TextBlock inside a DataTemplate is not being recognized while automation.

Somewhere, I found that TextBlock is intentionally hidden by WPF to increase performance. But if TextBlock is placed as an individual control not inside any DataTemplate , then it should be recognized.
I came across the solution for using the custom TextBlock by using AutomationPeer class also but I cannot make it custom TextBlock as the application has been developed by some other organisation and it completed.
I also tried using the UI Verfier and even in that it is not getting recognised though in Snoop the control is visible.

Can anybody please help me out in this? Early help will be appreciable. Thanks in advance.