WPF - How to create a floating window over an existing window.

How can I create a small floating window (child window) that appears on top an existing WPF window.
I want to show a clock in a small floating window.
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Franck GaspozSoftware Architect, Technical ExpertCommented:
Hi, You should really consider to user the library: "Extended WPF Toolkit". The version community edition is free to use. Find it at "http://wpftoolkit.codeplex.com/".
The functionnality you are searching is provided by the class "ChildWindow" (see at http://wpftoolkit.codeplex.com/wikipage?title=ChildWindow&referringTitle=Home).
Best regards,
Franck Gaspoz

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