#874 – Setting the Background for a Popup

You must explicitly set the Background for the controls hosted within a Popup control.  The Popup does not inherit the background brush of any parent element (e.g. a parent Window).

You typically set the Background property for the single element hosted within the Popup (e.g. a Border element).  If you don’t specify a value for the Background, the behavior depends on the value of the Popup’s AllowTransparency property:

  • If AllowTransparency is false, the background of the popup will be black
  • If AllowTransparency is true, the popup will be transparent


Below is an example where the Background is set for the Border element contained within the Popup.

        <Popup Name="popCaesar" StaysOpen="False"
            <Border BorderBrush="Blue" BorderThickness="1"
                <StackPanel Orientation="Horizontal">
                    <Image Source="Caesar.jpg" Height="100"/>
                    <TextBlock Text="Julius Caesar was a Roman emperor who lived from 100 BC to 44 BC"
                            Width="150" TextWrapping="Wrap"/>



About Sean
Software developer in the Twin Cities area, passionate about .NET technologies. Equally passionate about my own personal projects related to family history and preservation of family stories and photos.

One Response to #874 – Setting the Background for a Popup

  1. Pingback: Dew Drop – July 30, 2013 (#1,595) | Alvin Ashcraft's Morning Dew

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