Use the Grid element to create a standard user interface (UI) dialog box.

   
        

<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
      WindowTitle="Grid Run Dialog Sample" WindowWidth="425" WindowHeight="225">
  <Grid Background="#DCDCDC" Width="425" Height="165" HorizontalAlignment="Left"
        VerticalAlignment="Top"
        ShowGridLines="True">
    <Grid.ColumnDefinitions>
      <ColumnDefinition Width="Auto" />
      <ColumnDefinition Width="*" />
      <ColumnDefinition Width="*"/>
      <ColumnDefinition Width="*"/>
      <ColumnDefinition Width="*"/>
    </Grid.ColumnDefinitions>
    <Grid.RowDefinitions>
      <RowDefinition Height="Auto" />
      <RowDefinition Height="Auto" />
      <RowDefinition Height="*" />
      <RowDefinition Height="Auto" />
    </Grid.RowDefinitions>

    <Image Grid.Column="0" Grid.Row="0" Source="c:image.png" />
    <TextBlock Grid.Column="1" Grid.ColumnSpan="4" Grid.Row="0" TextWrapping="Wrap">
      text
    </TextBlock>
    <TextBlock Grid.Column="0" Grid.Row="1">Open:</TextBlock>
    <TextBox Grid.Row="1" Grid.Column="1" Grid.ColumnSpan="5" />
    <Button Margin="10, 0, 10, 15" Grid.Row="3" Grid.Column="2">OK</Button>
    <Button Margin="10, 0, 10, 15" Grid.Row="3" Grid.Column="3">Cancel</Button>
    <Button Margin="10, 0, 10, 15" Grid.Row="3" Grid.Column="4">Browse ...</Button>
  </Grid>
</Page>