DC_Initlizer/AwInitilizer/HintDialog.xaml

<Window x:Class="AwInitilizer.HintDialog"
        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:AwInitilizer"
        mc:Ignorable="d"
        Title="HintDialog" Height="270" Width="600"
        WindowStyle="None"
        ResizeMode="NoResize"
        WindowStartupLocation="CenterOwner"
        Topmost="True">
    <Border BorderBrush="Gray" BorderThickness="2">
        <Grid>
            <Grid.RowDefinitions>
                <RowDefinition Height="30"/>
                <RowDefinition Height="*"/>
                <RowDefinition Height="auto"/>
            </Grid.RowDefinitions>

            <Grid Grid.Row="0" Background="Gray">
                <Label x:Name="uxTitle" Content="Message" Foreground="White"/>
            </Grid>

            <Grid x:Name="uxCancelContainer" Grid.Row="2" Height="70">
                <Button  HorizontalAlignment="Center" VerticalAlignment="Center" Height="50" Width="100" Click="Button_Click">
                    <Label x:Name="uxBtnText" Content="Cancel"/>
                </Button>
            </Grid>

            <StackPanel Orientation="Vertical" VerticalAlignment="Center" Grid.Row="1">
                <Image x:Name="uxImage" Width="100" Height="100" Visibility="Collapsed"/>
                <Label x:Name="uxConentText" FontSize="24" Foreground="Black" Content="Test Messge" VerticalAlignment="Center" HorizontalAlignment="Center"/>
            </StackPanel>
        </Grid>
    </Border>
</Window>