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<esri:Map x:Name="MyMap" WrapAround="True" Extent="-26976187.330, -7196067.417, 13098829.356, 13158690.900" Background="White" Foreground="White" MouseClick="MyMap_MouseClick" ExtentChanged="MyMap_ExtentChanged"> <esri:ElementLayer ID="Background"> <Image Source="/TestPage;component/Images/BackgroundGM1.jpg" esri:ElementLayer.Envelope="-26976187.330, -7196067.417, 13098829.356, 13158690.900"/> </esri:ElementLayer>
You can use an element layer and set the background image as an element of this layer: sample with a video.
<esri:Map x:Name="MyMap" WrapAround="True" Extent="-26976187.330, -7196067.417, 13098829.356, 13158690.900" Background="White" Foreground="White" MouseClick="MyMap_MouseClick" ExtentChanged="MyMap_ExtentChanged"> <esri:ElementLayer ID="Background"> <Image Source="/TestPage;component/Images/BackgroundGM1.jpg" esri:ElementLayer.Envelope="-26976187.330, -7196067.417, 13098829.356, 13158690.900"/> </esri:ElementLayer>