private async void MyMapView_GeoViewTapped(object sender, Esri.ArcGISRuntime.UI.Controls.GeoViewInputEventArgs e)
{
// Clear any existing result.
ResultWebView.Visibility = Visibility.Collapsed;
// Perform the identify operation.
IdentifyLayerResult myIdentifyResult = await MyMapView.IdentifyLayerAsync(_wmsLayer, e.Position, 20, false);
// Return if there's nothing to show.
if (!myIdentifyResult.GeoElements.Any())
{
return;
}
// Retrieve the identified feature, which is always a WmsFeature for WMS layers.
WmsFeature identifiedFeature = (WmsFeature)myIdentifyResult.GeoElements[0];
// Retrieve the WmsFeature's HTML content.
string htmlContent = identifiedFeature.Attributes["HTML"].ToString();
// Note that the service returns a boilerplate HTML result if there is no feature found.
// This test should work for most arcGIS-based WMS services, but results may vary.
if (!htmlContent.Contains("OBJECTID"))
{
// Return without showing the callout.
return;
}
// Show the result.
ResultWebView.NavigateToString(htmlContent);
ResultWebView.Visibility = Visibility.Visible;
}
/// <summary>
/// Populates the page with content passed during navigation. Any saved state is also
/// provided when recreating a page from a prior session.
/// </summary>
/// <param name="sender">
/// The source of the event; typically <see cref="NavigationHelper"/>
/// </param>
/// <param name="e">Event data that provides both the navigation parameter passed to
/// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested and
/// a dictionary of state preserved by this page during an earlier
/// session. The state will be null the first time a page is visited.</param>
private async void navigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
// TODO: Create an appropriate data model for your problem domain to replace the sample data
var item = await SampleDataSource.GetItemAsync((String)e.NavigationParameter);
//this.DefaultViewModel["Item"] = item;
ResultWebView.NavigateToString(await RssHelper.GetFeedTitleAsync());
}
