C#

<UserControl xmlns:my2="clr-namespace:iPosCloud.com.iposcloud.uiC_.views"
             x:Class="iPosCloud.com.iposcloud.main.Applic"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:my0="clr-namespace:iPosCloud.com.iposcloud.main"
             xmlns:Intersoft="http://intersoft.clientui.com/schemas"
             xmlns:my1="clr-namespace:Intersoft.Client.UI.Controls;assembly=Intersoft.Client.UI.Controls"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
             mc:Ignorable="d" 
             d:DesignHeight="800" d:DesignWidth="1024" xmlns:my="http://schemas.microsoft.com/surface/2008">
    
    <UserControl.Background>
        <ImageBrush ImageSource="/iPosCloud;component/images/HoneyComb.png" Stretch="Fill" TileMode="Tile" Viewport="0,0,46,25" ViewportUnits="Absolute" />
    </UserControl.Background>
    <UserControl.Resources>
        <DropShadowEffect x:Key="DropShadowEffect" ShadowDepth="0.1" Direction="360" BlurRadius="3" Opacity=".5" />
        
    </UserControl.Resources>

    <Grid HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Name="MainGridApplic"> 
        <Border BorderThickness="2" HorizontalAlignment="Left" Name="border1" VerticalAlignment="Stretch" Margin="4" BorderBrush="{x:Null}">
            <Border.BitmapEffect>
                <DropShadowBitmapEffect Color="Black" Direction="360" ShadowDepth="10" Opacity=".5" Softness="9" />
            </Border.BitmapEffect>
            <Intersoft:UXGridPanel Margin="2" Column="1" Row="1" ItemHeight="220" ItemWidth="1190" Name="UXGridPanelLeft">
                <Image Name="image1" Source="/iPosCloud;component/images/Logo.png" Width="1000" HorizontalAlignment="Left" />
            </Intersoft:UXGridPanel>
        </Border>
        
            <Grid Margin="2" HorizontalAlignment="Right">
                <my2:PasswordScreen />  "HERE IS THE UserControl THAT I PLACED..."
            </Grid>
        
    </Grid>
</UserControl>

private void btnLogin_Click(object sender, RoutedEventArgs e)
        {
            SwitchboardView sbv = new SwitchboardView();
            
            Applic ap = new Applic();
            ap.MainGridApplic.Children.Add(sbv);

            
        }