FeatureClassDefinition Class
Represents the schema and properties of a
FeatureClass.
Obtaining Definition from Geodatabase
public async Task ObtainingDefinitionFromGeodatabase()
{
await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
{
using (Geodatabase geodatabase = new Geodatabase(new DatabaseConnectionFile(new Uri("path\\to\\sde\\file\\sdefile.sde"))))
{
// Remember that for Enterprise databases you have to qualify your dataset names with the DatabaseName and UserName.
TableDefinition enterpriseTableDefinition = geodatabase.GetDefinition<TableDefinition>("LocalGovernment.GDB.CitizenContactInfo");
// It does not matter if the dataset is within a FeatureDataset or not.
FeatureClassDefinition featureClassDefinition = geodatabase.GetDefinition<FeatureClassDefinition>("LocalGovernment.GDB.FireStation");
// GetDefinition For a RelationshipClass.
RelationshipClassDefinition relationshipClassDefinition = geodatabase.GetDefinition<RelationshipClassDefinition>("LocalGovernment.GDB.AddressPointHasSiteAddresses");
// GetDefinition For a FeatureDataset.
FeatureDatasetDefinition featureDatasetDefinition = geodatabase.GetDefinition<FeatureDatasetDefinition>("LocalGovernment.GDB.Address");
}
});
}
Obtaining List of Definitions from Geodatabase
public async Task ObtainingDefinitionsFromGeodatabase()
{
await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
{
using (Geodatabase geodatabase = new Geodatabase(new DatabaseConnectionFile(new Uri("path\\to\\sde\\file\\sdefile.sde"))))
{
IReadOnlyList<FeatureClassDefinition> enterpriseDefinitions = geodatabase.GetDefinitions<FeatureClassDefinition>();
IEnumerable<Definition> featureClassesHavingGlobalID = enterpriseDefinitions.Where(definition => definition.HasGlobalID());
IReadOnlyList<FeatureDatasetDefinition> featureDatasetDefinitions = geodatabase.GetDefinitions<FeatureDatasetDefinition>();
bool electionRelatedFeatureDatasets = featureDatasetDefinitions.Any(definition => definition.GetName().Contains("Election"));
IReadOnlyList<AttributedRelationshipClassDefinition> attributedRelationshipClassDefinitions = geodatabase.GetDefinitions<AttributedRelationshipClassDefinition>();
IReadOnlyList<RelationshipClassDefinition> relationshipClassDefinitions = geodatabase.GetDefinitions<RelationshipClassDefinition>();
}
});
}
Obtaining Related Definitions from Geodatabase
public async Task ObtainingRelatedDefinitionsFromGeodatabase()
{
await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
{
using (Geodatabase geodatabase = new Geodatabase(new DatabaseConnectionFile(new Uri("path\\to\\sde\\file\\sdefile.sde"))))
{
// Remember the qualification of DatabaseName. for the RelationshipClass.
RelationshipClassDefinition enterpriseDefinition = geodatabase.GetDefinition<RelationshipClassDefinition>("LocalGovernment.GDB.AddressPointHasSiteAddresses");
IReadOnlyList<Definition> enterpriseDefinitions = geodatabase.GetRelatedDefinitions(enterpriseDefinition, DefinitionRelationshipType.DatasetsRelatedThrough);
FeatureClassDefinition enterpriseAddressPointDefinition = enterpriseDefinitions.First(defn => defn.GetName().Equals("LocalGovernment.GDB.AddressPoint"))
as FeatureClassDefinition;
FeatureDatasetDefinition featureDatasetDefinition = geodatabase.GetDefinition<FeatureDatasetDefinition>("LocalGovernment.GDB.Address");
IReadOnlyList<Definition> datasetsInAddressDataset = geodatabase.GetRelatedDefinitions(featureDatasetDefinition, DefinitionRelationshipType.DatasetInFeatureDataset);
FeatureClassDefinition addressPointInAddressDataset = datasetsInAddressDataset.First(defn => defn.GetName().Equals("LocalGovernment.GDB.AddressPoint"))
as FeatureClassDefinition;
RelationshipClassDefinition addressPointHasSiteAddressInAddressDataset = datasetsInAddressDataset.First(defn => defn.GetName().Equals("LocalGovernment.GDB.AddressPointHasSiteAddresses"))
as RelationshipClassDefinition;
}
});
}
Sorting a Table
public RowCursor SortWorldCities(FeatureClass worldCitiesTable)
{
using (FeatureClassDefinition featureClassDefinition = worldCitiesTable.GetDefinition())
{
Field countryField = featureClassDefinition.GetFields()
.First(x => x.Name.Equals("COUNTRY_NAME"));
Field cityNameField = featureClassDefinition.GetFields()
.First(x => x.Name.Equals("CITY_NAME"));
// Create SortDescription for Country field
SortDescription countrySortDescription = new SortDescription(countryField);
countrySortDescription.CaseSensitivity = CaseSensitivity.Insensitive;
countrySortDescription.SortOrder = SortOrder.Ascending;
// Create SortDescription for City field
SortDescription citySortDescription = new SortDescription(cityNameField);
citySortDescription.CaseSensitivity = CaseSensitivity.Insensitive;
citySortDescription.SortOrder = SortOrder.Ascending;
// Create our TableSortDescription
TableSortDescription tableSortDescription = new TableSortDescription(
new List<SortDescription>() { countrySortDescription, citySortDescription });
return worldCitiesTable.Sort(tableSortDescription);
}
}
Target Platforms: Windows 11, Windows 10
ArcGIS Pro version: 3 or higher.