The following list includes tips for creating custom styles and templates:

• Keep the visual tree as simple as possible
• Setting IsHittestVisible="false" on some elements might improve performance
• Make sure that you don't do that on elements which have CoverElementsPane.Orientaion property set
• Use C1BrushBuilder as high in the visual tree as you can. The more C1BrushBuilders you use, the worse performance you have.