GetShape Method (Feature)
Gets the geometry of this feature.
This method must be called on the MCT. Use QueuedTask.Run.
Return Value
The geometry of this feature.
Retrieve Geometry from Geodatabase
// methods need to run on the MCT
ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
{
try
{
// open a gdb
using (ArcGIS.Core.Data.Geodatabase gdb =
new ArcGIS.Core.Data.Geodatabase(
new FileGeodatabaseConnectionPath(new Uri(@"c:\Temp\MyDatabase.gdb"))))
{
//Open a featureClass
using (ArcGIS.Core.Data.FeatureClass featureClass =
gdb.OpenDataset<ArcGIS.Core.Data.FeatureClass>("Polygon"))
{
ArcGIS.Core.Data.QueryFilter filter =
new ArcGIS.Core.Data.QueryFilter()
{
WhereClause = "OBJECTID = 6"
};
// get the row
using (ArcGIS.Core.Data.RowCursor rowCursor =
featureClass.Search(filter, false))
{
while (rowCursor.MoveNext())
{
using (var row = rowCursor.Current)
{
long oid = row.GetObjectID();
// get the shape from the row
ArcGIS.Core.Data.Feature feature = row as ArcGIS.Core.Data.Feature;
Polygon polygon = feature.GetShape() as Polygon;
// do something here
}
}
}
}
}
}
catch (Exception ex)
{
// error - handle appropriately
}
});
Change map frame extent to single feature with 15 percent buffer
//Change map frame extent to single feature with 10 percent buffer
//Process on the worker thread
await QueuedTask.Run(() =>
{
//Reference the mapframe and its associated map
MapFrame mf = layout.FindElement("Map Frame") as MapFrame;
Map m = mf.Map;
//Reference a feature layer and build a query (to return a single feature)
FeatureLayer fl = m.FindLayers("GreatLakes").First() as FeatureLayer;
QueryFilter qf = new QueryFilter();
string whereClause = "NAME = 'Lake Erie'";
qf.WhereClause = whereClause;
//Zoom to the feature
using (ArcGIS.Core.Data.RowCursor rowCursor = fl.Search(qf))
{
while (rowCursor.MoveNext())
{
//Get the shape from the row and set extent
using (var feature = rowCursor.Current as ArcGIS.Core.Data.Feature)
{
Polygon polygon = feature.GetShape() as Polygon;
Envelope env = polygon.Extent as Envelope;
mf.SetCamera(env);
//Zoom out 15 percent
Camera cam = mf.Camera;
cam.Scale = cam.Scale * 1.15;
mf.SetCamera(cam);
}
}
}
});
Target Platforms: Windows 11, Windows 10
ArcGIS Pro version: 3 or higher.