Public Function New( _
   ByVal map As Map _
)

public EditGeometry( 
   Map map
)

<Grid x:Name="LayoutRoot" Background="White">
            
  <!-- 
  Add a Map Control. 
  Set the Editor.SnapDistance Dependency Property (i.e. Editor.SnapDistanceProperty Field the API Ref Doc). This
  determines the radius in pixels that vertices in a Polygon or Polyline will snap together.
  Wire up the Map.MouseClick Event in code-behind to handle stop editing of the EditGeometry object.
  -->
  <esri:Map x:Name="MyMap" Extent="-16574645,-5541958,13341035,10559275" 
   esri:Editor.SnapDistance="30" Margin="12,153,344,50" MouseClick="MyMap_MouseClick">
   
    <!-- Add a backdrop ArcGISTiledMapServiceLayer. -->
    <esri:ArcGISTiledMapServiceLayer Url="http://services.arcgisonline.com/ArcGIS/rest/services/World_Topo_Map/MapServer"/>
    
      <!-- 
      Add a GraphicsLayer with a default Polygon Graphic for editing. Define the display symbology for each Graphic. 
      The GraphicLayer.MouseLeftButtonDown Event is wired up for code-behind functionality. The code-behind function
      will start the editing of the Polygon Graphic.
      -->
      <esri:GraphicsLayer ID="MyGraphicsLayer" MouseLeftButtonDown="GraphicsLayer_MouseLeftButtonDown">
        <esri:GraphicsLayer.Graphics>
        
          <!-- Define the Polygon Graphic and a default symbol.-->
          <esri:Graphic>
            <esri:Polygon>
              <esri:Polygon.Rings>
                <esri:PointCollection>
                  <esri:MapPoint X="-5570316" Y="-1153156" />
                  <esri:MapPoint X="-6961809" Y="335638" />
                  <esri:MapPoint X="-9270798" Y="-437047" />
                  <esri:MapPoint X="-5570316" Y="-1153156" />
                </esri:PointCollection>
              </esri:Polygon.Rings>
            </esri:Polygon>
          <esri:Graphic.Symbol>
            <esri:SimpleFillSymbol Fill="#660000FF" BorderBrush="Blue" BorderThickness="1" />
          </esri:Graphic.Symbol>
        </esri:Graphic>
      </esri:GraphicsLayer.Graphics>
    </esri:GraphicsLayer>
    
  </esri:Map>
  
  <!-- Provide the instructions on how to use the sample code. -->
  <TextBlock Height="147" HorizontalAlignment="Left" Name="TextBlock1" VerticalAlignment="Top" Width="759" 
  TextWrapping="Wrap" Text="This example code shows the bare minimum settings that need to be enabled in 
  order to edit a Polygon Graphic in a GraphicsLayer using the EditGeometry object. To begin editing 
  click on the Polygon Graphic, make the desired changes, and then click somewhere on the Map outside 
  of the Graphic." />
  
</Grid>

// Global/Member variable for the EditGeometry object (enables editing Polygon and Polyline graphics).
private ESRI.ArcGIS.Client.EditGeometry _EditGeometry;
  
public MainPage()
{
  InitializeComponent();
  
  // Create a new instance of the EditGeometry object.
  _EditGeometry = new ESRI.ArcGIS.Client.EditGeometry(MyMap);
  
  // Enable editing with the EditGeometry object.
  _EditGeometry.IsEnabled = true;
}
            
private void GraphicsLayer_MouseLeftButtonDown(object sender, ESRI.ArcGIS.Client.GraphicMouseButtonEventArgs e)
{
  // The user has clicked on the Polygon Graphic in the GraphicsLayer.
  
  // Keep this event handler from bubbling up to other event handlers. We will perform all actions necessary in
  // this event handler. 
  e.Handled = true;
  
  // Start the editing of the Polygon Graphic.
  _EditGeometry.StartEdit(e.Graphic);
}
            
private void MyMap_MouseClick(object sender, ESRI.ArcGIS.Client.Map.MouseEventArgs e)
{
  // The user clicked somewhere in the Map Contol but NOT directly over the Graphic being edited.
  
  // Stop the editing of the Graphic.
  _EditGeometry.StopEdit();
}

' Global/Member variable for the EditGeometry object (enables editing Polygon and Polyline graphics).
Private _EditGeometry As ESRI.ArcGIS.Client.EditGeometry
            
Public Sub New()
  InitializeComponent()
  
  ' Create a new instance of the EditGeometry object.
  _EditGeometry = New ESRI.ArcGIS.Client.EditGeometry(MyMap)
  
  ' Enable editing with the EditGeometry object.
  _EditGeometry.IsEnabled = True
  
End Sub
            
Private Sub GraphicsLayer_MouseLeftButtonDown(sender As System.Object, e As ESRI.ArcGIS.Client.GraphicMouseButtonEventArgs)
  
  ' The user has clicked on the Polygon Graphic in the GraphicsLayer.
  
  ' Keep this event handler from bubbling up to other event handlers. We will perform all actions necessary in
  ' this event handler. 
  e.Handled = True
  
  ' Start the editing of the Polygon Graphic.
  _EditGeometry.StartEdit(e.Graphic)
  
End Sub
            
Private Sub MyMap_MouseClick(sender As System.Object, e As ESRI.ArcGIS.Client.Map.MouseEventArgs)
  
  ' The user clicked somewhere in the Map Contol but NOT directly over the Graphic being edited.
  
  ' Stop the editing of the Graphic.
  _EditGeometry.StopEdit()
  
End Sub