The modal RadWindows in Silverlight are not exactly the same as WPF/Windows ones. When there isn't an element which can be focused, the focus remains in its previous location. Unfortunately there isn't much we can do as this is framework limitation. But there is an easy workaround - if you want to show only text, you can just add a close button at the bottom of the window and this way it will get the focus. It is similar as using:
In fact you can modify the Alert window as it is doing just this - showing text.
Hopefully this helps. Feel free to contact us in case you have any problems or concerns.
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