Hi Azerty,
If you would like the image field in your data item to be displayed on the Front surface of the card, you should modify the ImageSurfaceConfiguration property of the CardFlowView3D theme to be "Center". By doing so, the image should appear on the front of the center card. For example:
<xcdg:DataGridControl.View>
<xcdg:CardflowView3D>
<xcdg:CardflowView3D.Theme>
<xcdg:ElementalBlackTheme>
<xcdg:ElementalBlackTheme.SurfaceConfigurations>
<xcdg:ImageSurfaceConfiguration xcdg:CardflowView3D.Surfaces="Center"/>
</xcdg:ElementalBlackTheme.SurfaceConfigurations>
</xcdg:ElementalBlackTheme>
</xcdg:CardflowView3D.Theme>
</xcdg:CardflowView3D>
</xcdg:DataGridControl.View>
By default, the DataGridControl will automatically detect the image field in your data item and display it on the ImageSurfaceConfiguration area. However, If your data item contains more than one image, you could set the FieldNames property of the ImageRegionConfiguration to the name of the field that contains the desired image.
Fawzi Bablli
Developer Technical Support
Xceed Software Inc.