App.xaml

<Application x:Class="Power_Control_Panel.App"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:local="clr-namespace:Power_Control_Panel" xmlns:mah="http://metro.mahapps.com/winfx/xaml/controls" xmlns:mah1="http://metro.mahapps.com/winfx/xaml/controls"
             >
    <Application.Resources>

        <ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                 
                    xmlns:system="clr-namespace:System;assembly=mscorlib">
       
            <ResourceDictionary.MergedDictionaries>
                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Controls.xaml" />
                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Fonts.xaml" />
             
                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Controls.Slider.xaml" />
            </ResourceDictionary.MergedDictionaries>



        </ResourceDictionary>

    </Application.Resources>
</Application>