StackPanel stackV = new StackPanel();
TextBlock tb = new TextBlock("Header") { Foreground = Brushes.White, FontWeight = FontWeight.Bold };
stack.Children.Add(tb);
{
  StackPanel stackH = new StackPanel { Orientation = Orientation.Horizontal };
  TextBlock label = new TextBlock("Label") { Foreground = Brushes.LightGray, Width = 100.0f };
  stackH.Children.Add(label);
  Slider slider = new Slider { MinValue = 0.0f, MaxValue = 100.0f, Value = 50.0f };
  stackH.Children.Add(slider);
  stackV.Children.Add(stackH);
}
//...

public class ValueModel
{
  public string Label { get; set; }
}
public class FloatValueModel : ValueModel
{
  public float Value { get; set; }
  public float MinValue { get; set; }
  public float MaxValue { get; set; }
}
public class StringValueModel : ValueModel
{
  public string Value { get; set; }
}
public class ViewModel
{
  public string Header { get; set; }
  public ObservableCollection<ValueModel> ValueList { get; }
}

<Grid>
  <Grid.Resources>
    <DataTemplate x:Key="ValueItemTemplate">
      <StackPanel Orientation="Horizontal">
        <TextBlock Text="{Binding Label}" Width="100" Foreground="LightGray"/>
        <ContentControl Content="{Binding}"/>
      </StackPanel>
    </DataTemplate>
    <DataTemplate DataType="local:FloatValueModel">
      <Slider MinValue="{Binding MinValue}" MaxValue="{Binding MaxValue}" Value="{Binding Value}"/>
    </DataTemplate>
    <DataTemplate DataType="local:StringValueModel">
      <TextBox Text="{Binding Value}"/>
    </DataTemplate>
  </Grid.Resources>
  <StackPanel>
    <TextBlock Text="{Binding Header}" Foreground="White" FontWeight="Bold"/>
    <ItemsControl ItemsSource="{Binding ValueList}" ItemTemplate="{StaticResource ValueItemTemplate}"/>
  </StackPanel>
</Grid>