Changing WPF Listbox SelectedItem text color and highlight/background Color using C#

Question

I am trying to change the highlighted(selected) color and the highlighted text color of a wpf listbox at runtime. I have tried creating a style and applying it as follows:

Answer 1

Thanks to Vinkal and failedprogramming, I got everything working beautifully. I created the following Resources:

And then applied the style to my listbox with:

ItemContainerStyle="{DynamicResource ResourceKey=_ListBoxItemStyle}"

And finally, change the solidcolorbrush resources (therefore changing the setter values) in my C# code by doing the following:

    this.Resources["ListSelectedColor"] = EmulatorPage.ListSelectedColor;
    this.Resources["ListTextSelectedColor"] = EmulatorPage.ListSelectedTextColor;

Thank you to both of you!