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c#arcmap

MapPoint ZoomTo

So I am making an add in in C# for arcmap and I got this :

MapPoint myPoint = new MapPoint(500, 500, spatialRef);

MyMap.ZoomTo(myPoint);

from this website: http://forums.arcgis.com/threads/13749-how-to-Zoom-to-point

Since there isn't much information to find on the internet and I am fairly new to ARCGIS I cant figure out my problems that easily so the questions might sound dumb.

I get an error at spatialRef. The spatialRef should be replaced by something but I have no idea what. I also have no idea what to replace MyMap with, and I cant figure out what reference I am missing at MapPoint since I also get an error at that part.

Can someone please explain me what to do?

Solution

  • first define your map by:

    ESRI.ArcGIS.Client.Map MyMap;

    then define your spatial reference

    ESRI.ArcGIS.Client.Geometry.SpatialReference _spatialReference = new ESRI.ArcGIS.Client.Geometry.SpatialReference(4269);

    the 4269 is the Well Known ID (WKID) of the GCS_North_American_1983 spatial reference/coordinate system. You can choose any WKID. Just choose a number from here.

    Then define your map point

    MapPoint myPoint = new MapPoint(500, 500, _spatialReference );

    and perform ZoomTo

    MyMap.ZoomTo(myPoint);