<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="" 
    SizeToContent="WidthAndHeight" 
    ResizeMode="NoResize"
    ShowInTaskbar="False"
    WindowStartupLocation="CenterOwner">

    <Window.Resources>
        <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
                <ResourceDictionary Source="Themes\Default.xaml" /> 
            </ResourceDictionary.MergedDictionaries>            
        </ResourceDictionary>
    </Window.Resources>

    <Grid Margin="10">
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="Auto" />
            <ColumnDefinition Width="*" />
        </Grid.ColumnDefinitions>
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto" />
            <RowDefinition Height="Auto" />
            <RowDefinition Height="Auto" />
        </Grid.RowDefinitions>

        <Label Name="txtLabel" Grid.Column="1"></Label>
        <TextBox Name="txtValue" Grid.Column="1" Grid.Row="1" MinWidth="250"></TextBox>

        <WrapPanel Grid.Row="2" Grid.ColumnSpan="2" HorizontalAlignment="Right" Margin="0,15,0,0">
            <Button IsDefault="True" Name="btnOk" MinWidth="60" Margin="0,0,10,0">_OK</Button>
            <Button IsCancel="True" Name="btnCancel" MinWidth="60">_Cancel</Button>
        </WrapPanel>
    </Grid>
</Window>
