See it in action below:

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Let's see how this works.

First of all add references to Cellbi.SvCommon and Cellbi.SvEffects assemblies.

Create new ChildWindow control and add the following XAML code (new lines are marked with green on the left margin).

Note that Visual Studio shows Intellisense with a complete list of built-in SvFx window patterns you can choose from.

Now open code behind file and add OnApplyTemplate method override with the following code (new lines are marked with green on the left margin).

We are done! Now just call Show method to display the window.