Bellwether/Bellwether/MainWindow.xaml

<Window
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:local="clr-namespace:Bellwether"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    Title="MainWindow"
    Width="5760"
    Height="1080"
    d:DesignHeight="1080"
    d:DesignWidth="5760"
    ResizeMode="NoResize"
    Stylus.IsPressAndHoldEnabled="False"
    WindowStartupLocation="CenterScreen"
    WindowStyle="None"
    mc:Ignorable="d"
    x:Class="Bellwether.MainWindow">
    <Window.Resources>
        <Storyboard x:Key="HideStoryboard">
            <DoubleAnimationUsingKeyFrames Storyboard.TargetName="uxMainGrid" Storyboard.TargetProperty="(UIElement.Opacity)">
                <EasingDoubleKeyFrame KeyTime="0:0:0.5" Value="0" />
            </DoubleAnimationUsingKeyFrames>
        </Storyboard>
        <Storyboard x:Key="ShowStoryboard">
            <DoubleAnimationUsingKeyFrames Storyboard.TargetName="uxMainGrid" Storyboard.TargetProperty="(UIElement.Opacity)">
                <EasingDoubleKeyFrame KeyTime="0:0:0.5" Value="1" />
            </DoubleAnimationUsingKeyFrames>
        </Storyboard>
    </Window.Resources>
    <Grid x:Name="uxMainGrid" />
</Window>