I am trying to create a WPF application with a semi transparent border-less window that blurs the background behind it.
Here is an example of what I want to do. Screenshot
I have tried to use
For anyone interested I have found a solution for Windows 10, It looks as though it isn't possible on Windows 8, like David Heffernan mentioned, DwmEnableBlurBehindWindow was removed from Windows 8, however Microsoft re-introduced a solution for achieving this effect in Windows 10.