centre the map when the graphic will go to the out of visible area

Question

Dear friends,

How can I write code for centre the map when the graphic will go to the out of visible area?

now I am centring the graphic point  like the code below .Each 10 second map is refreshing with new mappoint with timertool.Now my requirement is I need to  centre the map when the graphic point is out of visible view of map only.Is it possible?Dispatcher.BeginInvoke(Sub() ZoomToResolution(MyMap, MyMap.Resolution, New MapPoint(Convert.ToDouble(gpsNMEASentence(4)), Convert.ToDouble(gpsNMEASentence(2)))))

VivekVaka · Answer

Hi,

I am new to the arcgis maps.I have loaded arcgis map in my application. I have added polygon with particular state lat logns. Now I want to block out or gray out   remaining area(excluding  polygon area) or I want to fill remaining area with some color. Please give me some information regarding the above task

Thanks in advance