get the UIElement from FrameworkElementFactory in WPF

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WPF

How can i get the UI element from FrameorkelemntFactory as my code is

 FrameworkElementFactory objFrame = new FrameworkElementFactory(typeof(TextBlock));
                        objFrame.SetValue(TextBlock.TextProperty, "country");
objFrame.Name="somename";

 DataTemplate dt1 = new DataTemplate();                        
                        dt1.VisualTree = objFrame;        

if i want to access the text property of the TextBlock how can i do this?
i have tried something like

TextBlock txt = dt1.FindName("somename", (FrameworkElement)TextBlock) as TextBlock;

but its showing errors...
can anybody help me
thanks in advance........