void locationControl1_NewExtents(object sender, NewExtentsEventArgs e)
{
if (!e.Validate())
{
MessageHelper.Warn("Invalid extents.");
return;
}
var map = App.Map;
if (App.Map.GeoProjection.IsEmpty && App.Map.NumLayers == 0)
{
App.Map.Projection = tkMapProjection.PROJECTION_GOOGLE_MERCATOR;
}
switch (e.ExtentsType)
{
case ExtentType.Geogrpahic:
if (!map.SetGeographicExtents(e.GeographicExtents))
{
MessageHelper.Warn("Failed to set geographic extents: " + map.get_ErrorMsg(map.LastErrorCode));
}
break;
case ExtentType.Projected:
map.Extents = e.ProjExtents;
break;
case ExtentType.Known:
map.KnownExtents = e.KnownExtents;
break;
}
}
protected virtual void OnNewExtents(NewExtentsEventArgs e)
{
if (!string.IsNullOrWhiteSpace(GeoLocationHelper.License))
{
lblLicense.Text = GeoLocationHelper.License;
}
var handler = NewExtents;
if (handler != null)
{
handler(this, e);
}
}
