private void ZoomToPoint(IFeatureSet fs, int shapeIndex, double pad, MapControl mapControl)
{
double x, y;
var g1 = fs.GetGeometry(shapeIndex);
if (g1 == null)
{
return;
}
g1.GetPoint(0, out x, out y);
var ext1 = new Envelope(x - pad, x + pad, y - pad, y + pad);
mapControl.Extents = ext1;
}