How can I avoid flicker in a WPF fullscreen app?

Question

I have a WPF application that is a fullscreen kiosk app. It\'s actually a pretty complicated app at this point, but here\'s some code that shows the basic idea. Essentiall

Answer 1

Here is an easy alternative that works for me in my kiosk-like application with a black background, inspired from above answers. Here I have a "LanguageWindow" that can be opened from anywhere in the application to change the current language.

In LanguageWindow.xaml (check the WindowState=Minimized):

In LanguageWindow.xaml.vb:

Private Sub LanguageWindow_ContentRendered(sender As Object, e As EventArgs) Handles Me.ContentRendered
    Me.WindowState = WindowState.Maximized
End Sub

Voilà!

(done with Visual Studio 2015, .NET Framework 4.6, WPF, VB.net)