How to position a Popup in WPF

There are several properties that may be used to set position of a popup control in WPF.

The HorizontalOffset, VerticalOffset, Placement, and PlacementTarget are some of them.

<Popup Name="myPopup" 
       PlacementRectangle="0,0,30,50"
       VerticalOffset="20"
       HorizontalOffset="20" 
       Placement="Bottom"
       PopupAnimation="Fade"
       AllowsTransparency="True">
  <TextBlock Name="PopupContent"
        Background="Beige"
        FontSize="12"
        Width="75"
        TextWrapping="Wrap">
    Popup Text
  </TextBlock>
</Popup>