private void GetFeaturesAndAddAttachment()
{
// TODO
// open the file geodatabase c:\ProSDKWorkshop\data\generic.gdb
using (Geodatabase geodatabase = new Geodatabase(@"c:\ProSDKWorkshop\data\generic.gdb"))
{
using (FeatureClass pointFeatureClass = geodatabase.OpenDataset <FeatureClass>("SamplePoints"))
{
using (RowCursor features = pointFeatureClass.Search())
{
while (features.MoveNext())
{
Feature currentFeature = features.Current as Feature;
currentFeature.AddAttachment(new Attachment("SamplePicture", "image/png",
CreateMemoryStreamFromContentsOf(@"C:\ProSDKWorkshop\data\redlands.png")));
}
}
}
}
// TODO
// open the SamplePoints feature class
// TODO
// retrieve all features by searching the feature class
// TODO
// for each feature add the attachment
// TODO
// add the sample picture as an attachment
// add the feature class as a layer to the active map
LayerFactory.CreateFeatureLayer(new Uri(@"c:\ProSDKWorkshop\data\generic.gdb\SamplePoints"), MapView.Active.Map);
}
private void GetFeaturesAndAddAttachment()
{
// open the geodatabase
using (var geodatabase = new Geodatabase(@"c:\ProSDKWorkshop\data\generic.gdb"))
{
// open the SamplePoints feature class
var pointFeatureClass = geodatabase.OpenDataset <FeatureClass>("SamplePoints");
// retrieve all features from the feature class
using (var rowCursor = pointFeatureClass.Search())
{
while (rowCursor.MoveNext())
{
// for each feature
using (var currentFeature = rowCursor.Current as Feature)
{
// add the sample picture as an attachment
currentFeature.AddAttachment(new Attachment("SamplePicture", "image/png",
CreateMemoryStreamFromContentsOf(@"c:\ProSDKWorkshop\data\redlands.png")));
}
}
}
}
// add the feature class as a layer to the active map
LayerFactory.CreateFeatureLayer(new Uri(@"c:\ProSDKWorkshop\data\generic.gdb\SamplePoints"), MapView.Active.Map);
}
public void SaveResults()
{
// Check for a feature layer connected to a feature class with the right name, type, etc.
QueuedTask.Run(async() => {
ProgressDialog pd;
Geodatabase fgdb = null;
try {
string resultFcName = Properties.Settings.Default.ResultFeatureClassName;
List <FeatureLayer> featureLayers = MapView.Active.Map.GetLayersAsFlattenedList().OfType <FeatureLayer>().ToList();
FeatureLayer flResults = featureLayers.Find(lyr => lyr.GetFeatureClass().GetName() == resultFcName);
FeatureClass fc = null;
if (flResults == null)
{
// Look for a FC to connect it to
string defFgdbPath = Project.Current.DefaultGeodatabasePath;
try {
fgdb = new Geodatabase(new FileGeodatabaseConnectionPath(new Uri(defFgdbPath)));
IReadOnlyList <string> gpParams;
try {
fc = fgdb.OpenDataset <FeatureClass>(resultFcName);
} catch (GeodatabaseException) {
// Create results feature class
pd = new ProgressDialog("Creating results feature class..."); pd.Show();
string sTemplatePath = Path.Combine(
System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location),
@"Resources\Template.gdb\MilesPerDollar_template");
gpParams = Geoprocessing.MakeValueArray(
defFgdbPath, resultFcName, "POLYGON", sTemplatePath, null, null,
SpatialReferenceBuilder.CreateSpatialReference(Properties.Settings.Default.ResultFeatureClassSRWkid));
IGPResult resCreateFC = await Geoprocessing.ExecuteToolAsync("management.CreateFeatureclass", gpParams, flags: GPExecuteToolFlags.None);
if (resCreateFC.IsFailed)
{
pd.Hide();
List <string> errMsgs = resCreateFC.ErrorMessages.Select(errMsg => errMsg.Text).ToList();
string sErrMsgs = String.Join("\n", errMsgs);
throw new Exception("Error creating results feature class:" + sErrMsgs);
}
pd.Hide();
fc = fgdb.OpenDataset <FeatureClass>(resultFcName);
}
} catch (Exception e) {
throw new Exception("Error opening or creating feature class", e);
}
flResults = LayerFactory.CreateFeatureLayer(fc, MapView.Active.Map, 0, "Miles Per Dollar Analysis Results");
}
else
{
fc = flResults.GetFeatureClass();
}
flResults?.SetVisibility(false);
//pd = new ProgressDialog("Creating result schema..."); pd.Show();
//try {
// await AddResultFcFields(fc);
//} catch (Exception e) {
// throw new Exception("Error adding fields to result feature class", e);
//} finally { pd.Hide(); }
// By default, the GDB is added to the map via a new feature layer
pd = new ProgressDialog("Creating result features..."); pd.Show();
try {
await AddResultFeatures(fc);
} catch (Exception e) {
throw new Exception("Error creating result features", e);
} finally { pd.Hide(); }
// If we got here, it was sucessful; we can discard the graphic overlays
Results.ClearResults();
flResults?.SetVisibility(true);
} catch (Exception e) {
System.Diagnostics.Debug.WriteLine(e.Message);
string sMsg = e.Message + ":\n" + e.InnerException.Message;
ArcGIS.Desktop.Framework.Dialogs.MessageBox.Show(sMsg);
} finally {
fgdb?.Dispose();
}
});
}
internal static FeatureLayer CreateFeatureLayer(Uri uri, Map map)
{
return(LayerFactory.CreateFeatureLayer(uri, MapView.Active.Map));
}