Hi there,I have a point feature layer in my map; the renderer defined in the MXD and Map Service is a Unique Value renderer. In a particular case, I want to have one single point to be drawn with a different symbol during a specific process, and then have the symbol set back to be drawn by the default renderer. So this is what I do:I set: RendererTakesPrecedence="False" in XAML.I set the symbol on the graphic (which is originally NULL):myGraphic.Symbol = new SimpleMarkerSymbol()
{
Style = SimpleMarkerSymbol.SimpleMarkerStyle.Diamond,
Size = 8,
Color = new SolidColorBrush(Colors.Green)
};
A zoom to the point takes place at the same moment and the new symbol is displayed correctly.Later on I finish my process and I set the Symbol of the graphic back to null:myGraphic.Symbol = null;
myPointLayer.Refresh();
Note that I had to call Refresh on the layer. Then the original symbol generated from the renderer is displayed.The problem occurs the next time I want to assign the custom symbol on the same graphic: it just doesn't get displayed and the point dissapears completely from the map. Calling Refresh() after setting the symbol doesn't help. When I set the symbol back to null it shows up again as expected. If I try a different graphic, same thing happens; this is: I can only see the custom symbol the first time I use it on a particular graphic.Am I supposed to do something else or is it a bug?Thanks in advance for any help. Cheers,Orlando
