A while back, I had mentioned using Out-GridView to build a UI without really doing anything that complicated. As fun as that is, we can have even more fun by making use of Windows Presentation ...
The SqlQueryEditor is currently under development and many changes are expected over the next few months. It's being designed as a Helper App that demonstrates how to build PowerShell WPF GUI ...
You can create a module or script project. After creating the WPF Window, you should now see the designer surface and XAML code windows. 
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