PP_Minin/PP_Ven_MosS/MainWindow.xaml

<Window x:Class="PP_Ven_MosS.MainWindow"
        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:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:PP_Ven_MosS"
        mc:Ignorable="d"
        Background="#D3D3D3"
        Title="Мининский" WindowState="Maximized"
        Icon="/Images/logo.png">
    <Grid>
        <Frame Name="MainFrame" NavigationUIVisibility="Hidden"></Frame>
    </Grid>
</Window>