UserInput.xaml

<Window x:Class="LicenseMe.UserInput"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:local="clr-namespace:LicenseMe"
        mc:Ignorable="d"
        Title="UserInput" Height="122" Width="424">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition />
            <RowDefinition />
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition />
            <ColumnDefinition />
            <ColumnDefinition />
        </Grid.ColumnDefinitions>
        <TextBlock x:Name="UserInputText" Grid.ColumnSpan="2" Margin="10"></TextBlock>
        <TextBox x:Name="UserInputBox" Grid.Column="0" Grid.Row="1" Grid.ColumnSpan="2" Margin="6"></TextBox>
        <Button IsDefault="True" Grid.Row="0" Grid.Column="2" Margin="15, 12, 30, 5" Click="OkayButtonClick">Ok</Button>
        <Button IsCancel="True" Grid.Row="1" Grid.Column="2" Margin="15, 5, 30, 12">Cancel</Button>
    </Grid>
</Window>