ESRI.ArcGIS.Mobile
Envelope Class
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ESRI.ArcGIS.Mobile.Geometries Namespace : Envelope Class

A rectangle defining the extent of another geometry by its locations and size, with sides parallel to the coordinate system.

Syntax

Visual Basic (Declaration) 
Public NotInheritable Class Envelope 
   Implements IBoundable, IGeometry 
C# 
public sealed class Envelope : IBoundable, IGeometry 

Example

An example of accessing the envelope of a Polygon.
This example reads a record from a polygon feature layer and gets the envelope of the polygon.

C#Copy Code
     // creates a queryfilter to select all polygons which contain the specified coordinate 
     m_queryFilter = new QueryFilter(new ESRI.ArcGIS.Mobile.Geometries.Point(coordinate), GeometricRelationshipType.Within, null, true); 
       
     // m_featurelayer is a polygon feature layer, queries the polgyon feature layer 
     using(FeatureDataReader fdr = m_featureLayer.GetDataReader(m_queryFilter)) 
         { 
       // gets the first selected record 
       if(fdr.Read()) 
       { 
          Polygon polygon = fdr.GetGeometry() as Polygon; 
          Envelope envelope = polygon.GetExtent(); 
          Debug.WriteLine(envelope.ToString()); 
          Debug.WriteLine("MinX = " + envelope.MinX.ToString()); 
          Debug.WriteLine("MaxX = " + envelope.MaxX.ToString()); 
          Debug.WriteLine("MinY = " + envelope.MinY.ToString()); 
          Debug.WriteLine("MaxY = " + envelope.MaxY.ToString()); 
          Debug.WriteLine("XCenter = " + envelope.XCenter.ToString()); 
          Debug.WriteLine("YCenter = " + envelope.YCenter.ToString()); 
          Debug.WriteLine("Width = " + envelope.Width.ToString()); 
          Debug.WriteLine("Height = " + envelope.Height.ToString()); 
          
          //moves the envelope 
          envelope.Offset(10.0, 10.0); 
          Debug.WriteLine(envelope.ToString()); 
       } 
     } 
     

Remarks

Envelope is a sealed class.

Inheritance Hierarchy

System.Object
   ESRI.ArcGIS.Mobile.Geometries.Envelope

Requirements

Namespace: ESRI.ArcGIS.Mobile.Geometries

Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows Server 2008 family

Assembly: ESRI.ArcGIS.Mobile (in ESRI.ArcGIS.Mobile.dll)

See Also