I've got a problem with RadWindow.
In my project there are 4 files xaml: app.xaml
I've created a button in the main page so I can open the radwindow.
My problem is the style of the window: when I press "open" button, the window lost theme 7 and return as the default (dark gray)
In the RadWindowTest.xaml I correctely set the theme, but doesn't work.
I have to make not visible the header and the button.
I attach the entire project