[Revit] Change objects reference level without moving it (Updated with a GUI)

Here is a new update of my [Revit] Change fittings reference level without moving it with :

1. Updated to be used in pyRevit
2. A new WPF GUI with a new option to select a level from your project list
3. Better error handling which makes it easier to use

Find the short video tutorial here :

Full source code available here : https://github.com/CyrilWaechter/pyRevitMEP/tree/master/pyRevitMEP.tab/Tools.panel/ElementChangeLevel.pushbutton

Thanks a lot to :

• AngelSix for his great WPF tutorial
• Gui Talarico for his great «SelectFromList» example available in his RevitPythonWrapper