NewDialog.xaml

<Window x:Class="GeneticTest.NewDialog"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="New Pool" Height="160" Width="200" WindowStyle="ToolWindow">
    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="AUTO"/>
            <ColumnDefinition Width="AUTO"/>
        </Grid.ColumnDefinitions>
        <Grid.RowDefinitions>
            <RowDefinition Height="AUTO"/>
            <RowDefinition Height="AUTO"/>
            <RowDefinition Height="AUTO"/>
            <RowDefinition Height="AUTO"/>
        </Grid.RowDefinitions>

        <Label Grid.Column="0" Grid.Row="0" Content="Image size:"/>
        <Label Grid.Column="0" Grid.Row="1" Content="Image zoom:"/>
        <Label Grid.Column="0" Grid.Row="2" Content="Pool size:"/>

        <TextBox Name="imageSize" Grid.Column="1" Grid.Row="0" Width="100" Margin="5" Text="16"/>
        <TextBox Name="imageZoom" Grid.Column="1" Grid.Row="1" Width="100" Margin="5" Text="8"/>
        <TextBox Name="poolSize" Grid.Column="1" Grid.Row="2" Width="100" Margin="5" Text="16"/>

        <Button Name="makeNew" Grid.Column="0" Grid.Row="3" Content="New" Margin="5" Click="makeNew_Click" />
        <Button Name="cancelNew" Grid.Column="1" Grid.Row="3" Content="Cancel" Margin="5,5,36,5" Click="cancelNew_Click"/>
    </Grid>
</Window>