<Window x:Class="MDFe.AppTeste.InputBoxWindow"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

xmlns:input="clr-namespace:System.Windows.Input;assembly=PresentationCore"

Title="" Width="415"

SizeToContent="Height" WindowStartupLocation="CenterScreen" Loaded="Window_Loaded">

<StackPanel Name="Panel" Orientation="Vertical" VerticalAlignment="Top" Margin="10,10,10,0"

input:FocusManager.FocusedElement="{Binding ElementName=TxtValor}">

<TextBlock x:Name="TxtDescricao" TextWrapping="Wrap" Text="TESTE DE INPUT" Margin="0,0,0,10" />

<TextBox Name="TxtValor" Height="23" TextWrapping="Wrap" Text="TextBox" KeyUp="TxtValor_KeyUp" />

<Grid Name="Grid" Height="46" Margin="0,0,0,0">

<Button x:Name="BtnOk" Content="Ok" HorizontalAlignment="Right" Margin="0,10,95,0" VerticalAlignment="Top"

Width="90" Click="BtnOk_Click" />

<Button x:Name="BtnCancelar" Content="Cancelar" HorizontalAlignment="Right" Margin="284,10,0,0"

VerticalAlignment="Top" Width="90" Click="BtnCancelar_Click" />

</Grid>

</StackPanel>

</Window>