ArcObjects Library Reference (Geometry)

IGeometryBridge.QueryGeometries Method

[Visual Basic .NET]
Public Sub QueryGeometries ( _
    ByVal pGeometryCollection As IGeometryCollection, _
    ByVal Index As Integer, _
    ByRef geometries As IGeometry[] _
)

[C#]
public void QueryGeometries (
    IGeometryCollection pGeometryCollection,
    int Index,
    ref IGeometry[] geometries
);

[C++]
HRESULT QueryGeometries(
  IGeometryCollection* pGeometryCollection,
  long Index,
  Array* geometries
);

[C++]
Parameters
pGeometryCollection [in]
  pGeometryCollection is a parameter of type IGeometryCollection
Index 
  Index is a parameter of type long
geometries [in, out]
  geometries is a parameter of type Array

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

[C#]

    public void QueryGeometries()
    {
        int inputLength = 10;
        IGeometry[] inputGeometryArray = new IGeometry[inputLength];
        for (int i = 0; i < inputLength; i++)
        {
            IPoint point = new PointClass();
            point.PutCoords(i * 10, i * 10);
            inputGeometryArray[i] = point as IGeometry;
        }
        IGeometryBridge geometryBridge = new GeometryEnvironmentClass();
        IGeometryCollection geometryCollection = new MultipointClass();
        //add geometries
        geometryBridge.AddGeometries(geometryCollection, ref inputGeometryArray);
        //query geometries starting from position 1
        int startIndex = 5;
        IGeometry[] outputGeometryArray = new IGeometry[inputLength - startIndex];
        for (int i = 0; i < outputGeometryArray.Length; i++)
        {
            outputGeometryArray[i] = new PointClass() as IGeometry;
        }
        geometryBridge.QueryGeometries(geometryCollection, startIndex, ref outputGeometryArray);
        for (int i = 0; i < outputGeometryArray.Length; i++)
        {
            //we know that the Geometry is a Point
            IPoint currentPoint = outputGeometryArray[i] as IPoint;
            System.Windows.Forms.MessageBox.Show("X = " + currentPoint.X + ", Y = " + currentPoint.Y);
        }
    }