Sorry for the misunderstanding.
The Owner property in Silverlight is not designed to point which out-of-browser Window will be the owner, but which RadWindow
will be owner of the newly created one. Also, even if set to a RadWindow it will only close the owned window, but not set its Z index. This is how the property is designed. This issue is logged in PITS - you could view it here
, vote for it and track its status. It is logged under the RadDocking control, but the concern is the same.
Hope this information helps.
All the best,
the Telerik team
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