Public Property Geometry As Geometry

public Geometry Geometry {get; set;}

<Grid x:Name="LayoutRoot" Background="White">
  
  <!-- Add user defined resources for the symbology of the Graphics being drawn in the Map Controls. -->
  <Grid.Resources>
    <esri:SimpleLineSymbol x:Key="DrawLineSymbol" Color="Green" Width="4" />
    <esri:SimpleFillSymbol x:Key="DrawFillSymbol" Fill="#3300FF00" BorderBrush="Green" BorderThickness="2" />
    <esri:SimpleMarkerSymbol x:Key="DefaultMarkerSymbol" Color="Red" Size="12" Style="Circle" />
    <esri:SimpleLineSymbol x:Key="DefaultLineSymbol" Color="Red" Width="4" />
    <esri:SimpleFillSymbol x:Key="DefaultFillSymbol" Fill="#33FF0000" BorderBrush="Red" BorderThickness="2" />
    <esri:SimpleRenderer x:Key="PolygonRenderer" Symbol="{StaticResource DefaultFillSymbol}"/>
    <esri:SimpleRenderer x:Key="PolylineRenderer" Symbol="{StaticResource DefaultLineSymbol}"/>
    <esri:SimpleRenderer x:Key="PointRenderer" Symbol="{StaticResource DefaultMarkerSymbol}"/>
  </Grid.Resources>
  
  <!-- Instructions to tell the user what to do in Map1. -->
  <TextBlock Height="23" HorizontalAlignment="Left" Margin="134,122,0,0" 
   Name="TextBlock_Label1" Text="Draw Graphics on this Map:" VerticalAlignment="Top" Width="164" />
  
  <!-- Add a Map Control. -->
  <esri:Map Background="White" HorizontalAlignment="Left" Margin="134,144,0,0" Name="Map1" VerticalAlignment="Top" 
   WrapAround="True" Height="275" Width="225" Extent="-14254112,37686,-7157495,8711329">
    
    <!-- Add a backdrop ArcGISTiledMapServiceLayer. -->
    <esri:ArcGISTiledMapServiceLayer ID="PhysicalTiledLayer"
     Url="http://services.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer" />
    
    <!-- Add a backdrop FeatureLayer. It will display the states outlines. -->
    <esri:FeatureLayer ID="States" 
     Url="http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5"/>
    
    <!-- Add some GraphicsLayers to hold the user drawn Graphgics. -->
    <esri:GraphicsLayer ID="InputPolygonLayer" Renderer="{StaticResource PolygonRenderer}"/>
    <esri:GraphicsLayer ID="InputPolylineLayer" Renderer="{StaticResource PolylineRenderer}"/>
    <esri:GraphicsLayer ID="InputPointLayer" Renderer="{StaticResource PointRenderer}"/>
     
  </esri:Map>
  
  
  <!-- Instructions to tell the user what to do in Map2. -->
  <TextBlock Height="36" HorizontalAlignment="left" Margin="375,109,0,0" Name="TextBlock_Label2" TextWrapping="Wrap" Width="225"
   Text="Features returned from the QueryTask will be drawn in this Map:" VerticalAlignment="Top" />
  
  <!-- Add a Map Control. -->
  <esri:Map Background="White" HorizontalAlignment="Left" Margin="375,144,0,0" Name="Map2" 
   VerticalAlignment="Top" WrapAround="True" Height="275" Width="225" Extent="-14254112,37686,-7157495,8711329">
     
    <!-- Add a backdrop ArcGISTiledMapServiceLayer. -->
    <esri:ArcGISTiledMapServiceLayer ID="PhysicalTiledLayer"
     Url="http://services.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer" />
     
    <!-- Add a GraphicsLayer to display the returned Polygon features from the QueryTask. -->
     <esri:GraphicsLayer ID="TheGraphicsLayer"/>
       
  </esri:Map>
  
  <!-- ComboBox for the user specifying which type of Graphic to draw. -->
  <TextBlock Height="23" HorizontalAlignment="Left" Margin="0,122,0,0" Name="TextBlock_Label3" 
   Text="Pick a Graphic Type:" VerticalAlignment="Top" />
  <ComboBox x:Name="ComboBox_GraphicMode" Height="28" HorizontalAlignment="Left" Margin="0,144,0,0" VerticalAlignment="Top" 
   Width="120" SelectionChanged="Mode_SelectionChanged"/>
  
  <!-- Provide the instructions on how to use the sample code. -->
  <TextBlock Height="102" HorizontalAlignment="Left" Name="TextBlock1" VerticalAlignment="Top" Width="600" TextWrapping="Wrap"
   Text="Choose a Graphic type to draw from the ComboBox. Then draw a Graphic in left Map over some of the US 
   States. A QueryTask will be executed that selects features from the States FeatureLayer and displays 
   them in the Map on the right." />
  
</Grid>

// Member (i.e. Global) variable used for user drawn Graphics in the left Map (i.e. Map1). 
private ESRI.ArcGIS.Client.Draw _Draw;
            
public MainPage()
{
  
  InitializeComponent();
  
  // Populate the ComboBox with the various types of Graphics that can be drawn in Map1. 
  ComboBox_GraphicMode.ItemsSource = new ESRI.ArcGIS.Client.DrawMode[] { ESRI.ArcGIS.Client.DrawMode.None, ESRI.ArcGIS.Client.DrawMode.Point, ESRI.ArcGIS.Client.DrawMode.Polyline, ESRI.ArcGIS.Client.DrawMode.Polygon };
  
  // Instantiate the Draw object as new. Set the .Map, .LineSymbol, and .FillSymbol Properties to those specified
  // in XAML.
  _Draw = new ESRI.ArcGIS.Client.Draw();
  _Draw.Map = Map1;
  _Draw.LineSymbol = LayoutRoot.Resources["DrawLineSymbol"] as ESRI.ArcGIS.Client.Symbols.LineSymbol;
  _Draw.FillSymbol = LayoutRoot.Resources["DrawFillSymbol"] as ESRI.ArcGIS.Client.Symbols.FillSymbol;
  
  // Wire up an event handler for when the user is done adding a user drawn graphic to Map1.
  _Draw.DrawComplete += _Draw_DrawComplete;
  
  // Set the starting item in the ComboxBox to the first one.
  ComboBox_GraphicMode.SelectedIndex = 0;
}
            
private void _Draw_DrawComplete(object sender, ESRI.ArcGIS.Client.DrawEventArgs e)
{
  // The user has completed drawing a Graphic in Map1 using the Draw tool. The process of drawing Graphics
  // can be done several times as the individual Graphics are just added to the existing GraphicsLayers.
  
  // There are two parts to this function: 
  // Part1: Take the user drawn graphic from the Draw Tool and add it to one of the GraphicsLayers (defined in
  // XAML) to Map1.
  // Part2: Use the Geometry from the user drawn graphic to execute a QueryTask to return features from the 
  // State FeatureLayer to draw them in Map2.
  
  //--- PART 1: ---
  
  // Get the DrawEventArgs. 
  ESRI.ArcGIS.Client.DrawEventArgs theEventArgs = e;
  
  // Get the type of Geometry from the DrawEventArgs that the user drew in Map1. 
  ESRI.ArcGIS.Client.Geometry.Geometry theUserDrawnGeometry = theEventArgs.Geometry;
  
  // Create a generic GraphicsLayer to hold the user drawn Graphics.
  ESRI.ArcGIS.Client.GraphicsLayer theGraphicsLayer1 = null;
  
  // Branch based upon the type of Geometry being processed. Cast one of the existing GraphicsLayers
  // in Map1 to the generic GraphicsLayer. We do this so we can draw the correct symbology.
  if (theUserDrawnGeometry is ESRI.ArcGIS.Client.Geometry.MapPoint)
  {
    theGraphicsLayer1 = Map1.Layers["InputPointLayer"] as ESRI.ArcGIS.Client.GraphicsLayer;
  }
    else if (theUserDrawnGeometry is ESRI.ArcGIS.Client.Geometry.Polyline)
  {
    theGraphicsLayer1 = Map1.Layers["InputPolylineLayer"] as ESRI.ArcGIS.Client.GraphicsLayer;
  }
    else if (theUserDrawnGeometry is ESRI.ArcGIS.Client.Geometry.Polygon)
  {
    theGraphicsLayer1 = Map1.Layers["InputPolygonLayer"] as ESRI.ArcGIS.Client.GraphicsLayer;
  }
  
  // Add the user drawn Graphic to the generic GraphicsLayer (it will display in Map1).
  theGraphicsLayer1.Graphics.Add(new ESRI.ArcGIS.Client.Graphic() { Geometry = theUserDrawnGeometry });
  
  
  //--- PART 2: ---
  
  // Create a new QueryTask object. Set the Url to be a sample public FeatureLayer.
  ESRI.ArcGIS.Client.Tasks.QueryTask myQueryTask = new ESRI.ArcGIS.Client.Tasks.QueryTask();
  myQueryTask.Url = ("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5");
  
  // Wire up the event handler for when the QueryTask completes.
  myQueryTask.ExecuteCompleted += myQueryTask_ExecuteCompleted;
  
  // Create a new Query object.
  ESRI.ArcGIS.Client.Tasks.Query myQuery = new ESRI.ArcGIS.Client.Tasks.Query();
  
  // Set the Query.Geometry to be that of the user draw graphic in Map1.
  myQuery.Geometry = theUserDrawnGeometry;
  
  // Return the Geometry to the QueryTask.ExecuteCompleted Event so that new Graphics can be drawn on Map2.
  myQuery.ReturnGeometry = true;
  
  // Set the SpatialReference of the returned features from the QueryTask to be that of Map2. 
  // NOTE: You could experiment by changing the base ArcGISTiledMapServiceLayer to be in a different
  // SpatialReference and thus altering the Map2 SpatialReference. Then you will see the returned 
  // FeatureSet Graphics in a different projection than from Map1.
  myQuery.OutSpatialReference = Map2.SpatialReference;
  
  // Execute the QueryTask. 
  myQueryTask.ExecuteAsync(myQuery);
}
            
private void myQueryTask_ExecuteCompleted(object sender, ESRI.ArcGIS.Client.Tasks.QueryEventArgs e)
{
  // Get the returned FeatureSet from the QueryTask.
  ESRI.ArcGIS.Client.Tasks.FeatureSet myFeatureSet = e.FeatureSet;
  
  // Get the GraphicsLayer that was defined in XAML for Map2.
  ESRI.ArcGIS.Client.GraphicsLayer myGraphicsLayer = (ESRI.ArcGIS.Client.GraphicsLayer) Map2.Layers["TheGraphicsLayer"];
  
  // Create a SimpleFillSymbol to draw the graphics in Map2.
  ESRI.ArcGIS.Client.Symbols.SimpleFillSymbol mySimpleFillSymbol = new ESRI.ArcGIS.Client.Symbols.SimpleFillSymbol();
  System.Windows.Media.SolidColorBrush mySolidColorBrush = new System.Windows.Media.SolidColorBrush(Colors.Yellow);
  mySolidColorBrush.Opacity = 0.5;
  mySimpleFillSymbol.Fill = mySolidColorBrush;
  
  // Ensure the we have a FeatureSet with data.
  if (myFeatureSet != null && myFeatureSet.Features.Count > 0)
  {
    // Iterate over each feature (which is a Graphic object) in the FeatureSet.
    foreach (ESRI.ArcGIS.Client.Graphic graphicFeature in myFeatureSet.Features)
    {
      // The Graphic returned has valid Polygon Geometry values for the States. 
      if (graphicFeature.Geometry is ESRI.ArcGIS.Client.Geometry.Polygon)
      {
        // Attach the custom solid fill symbol to the Graphic.
        graphicFeature.Symbol = mySimpleFillSymbol as ESRI.ArcGIS.Client.Symbols.Symbol;
        
        // Add the Graphic to the GraphicsLayer in Map2.
        myGraphicsLayer.Graphics.Add(graphicFeature);
      }
    }
  }
}
            
private void Mode_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
  // This function executes when the user changes the ComboBox choice to select a different type of
  // Graphic to draw.
  
  if (e.AddedItems == null || e.AddedItems.Count == 0)
  {
    // No change or invalid choice made.
    return;
  }
  
  // Enable the Draw object to accept user input for the particular Graphic type to be drawn.
  _Draw.DrawMode = (ESRI.ArcGIS.Client.DrawMode)(e.AddedItems[0]);
  _Draw.IsEnabled = _Draw.DrawMode != ESRI.ArcGIS.Client.DrawMode.None;
}

' Member (i.e. Global) variable used for user drawn Graphics in the left Map (i.e. Map1). 
Private _Draw As ESRI.ArcGIS.Client.Draw
            
Public Sub New()
  
  InitializeComponent()
  
  ' Populate the ComboBox with the various types of Graphics that can be drawn in Map1. 
  ComboBox_GraphicMode.ItemsSource = New ESRI.ArcGIS.Client.DrawMode() {ESRI.ArcGIS.Client.DrawMode.None,
                                                                        ESRI.ArcGIS.Client.DrawMode.Point,
                                                                        ESRI.ArcGIS.Client.DrawMode.Polyline,
                                                                        ESRI.ArcGIS.Client.DrawMode.Polygon}
  
  ' Instantiate the Draw object as new. Set the .Map, .LineSymbol, and .FillSymbol Properties to those specified
  ' in XAML.
  _Draw = New ESRI.ArcGIS.Client.Draw()
  _Draw.Map = Map1
  _Draw.LineSymbol = TryCast(LayoutRoot.Resources("DrawLineSymbol"), ESRI.ArcGIS.Client.Symbols.LineSymbol)
  _Draw.FillSymbol = TryCast(LayoutRoot.Resources("DrawFillSymbol"), ESRI.ArcGIS.Client.Symbols.FillSymbol)
  
  ' Wire up an event handler for when the user is done adding a user drawn graphic to Map1.
  AddHandler _Draw.DrawComplete, AddressOf _Draw_DrawComplete
  
  ' Set the starting item in the ComboxBox to the first one.
  ComboBox_GraphicMode.SelectedIndex = 0
  
End Sub
            
Private Sub _Draw_DrawComplete(sender As Object, e As ESRI.ArcGIS.Client.DrawEventArgs)
  
  ' The user has completed drawing a Graphic in Map1 using the Draw tool. The process of drawing Graphics
  ' can be done several times as the individual Graphics are just added to the existing GraphicsLayers.
  
  ' There are two parts to this function: 
  ' Part1: Take the user drawn graphic from the Draw Tool and add it to one of the GraphicsLayers (defined in
  ' XAML) to Map1.
  ' Part2: Use the Geometry from the user drawn graphic to execute a QueryTask to return features from the 
  ' State FeatureLayer to draw them in Map2.
  
  '--- PART 1: ---
  
  ' Get the DrawEventArgs. 
  Dim theEventArgs As ESRI.ArcGIS.Client.DrawEventArgs = e
  
  ' Get the type of Geometry from the DrawEventArgs that the user drew in Map1. 
  Dim theUserDrawnGeometry As ESRI.ArcGIS.Client.Geometry.Geometry = theEventArgs.Geometry
  
  ' Create a generic GraphicsLayer to hold the user drawn Graphics.
  Dim theGraphicsLayer1 As ESRI.ArcGIS.Client.GraphicsLayer = Nothing
  
  ' Branch based upon the type of Geometry being processed. Cast one of the existing GraphicsLayers
  ' in Map1 to the generic GraphicsLayer. We do this so we can draw the correct symbology.
  If TypeOf theUserDrawnGeometry Is ESRI.ArcGIS.Client.Geometry.MapPoint Then
    theGraphicsLayer1 = TryCast(Map1.Layers("InputPointLayer"), ESRI.ArcGIS.Client.GraphicsLayer)
  ElseIf TypeOf theUserDrawnGeometry Is ESRI.ArcGIS.Client.Geometry.Polyline Then
    theGraphicsLayer1 = TryCast(Map1.Layers("InputPolylineLayer"), ESRI.ArcGIS.Client.GraphicsLayer)
  ElseIf TypeOf theUserDrawnGeometry Is ESRI.ArcGIS.Client.Geometry.Polygon Then
    theGraphicsLayer1 = TryCast(Map1.Layers("InputPolygonLayer"), ESRI.ArcGIS.Client.GraphicsLayer)
  End If
  
  ' Add the user drawn Graphic to the generic GraphicsLayer (it will display in Map1).
  theGraphicsLayer1.Graphics.Add(New ESRI.ArcGIS.Client.Graphic() With {.Geometry = theUserDrawnGeometry})
  
            
  '--- PART 2: ---
  
  ' Create a new QueryTask object. Set the Url to be a sample public FeatureLayer.
  Dim myQueryTask As ESRI.ArcGIS.Client.Tasks.QueryTask = New ESRI.ArcGIS.Client.Tasks.QueryTask
  myQueryTask.Url = ("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5")
  
  ' Wire up the event handler for when the QueryTask completes.
  AddHandler myQueryTask.ExecuteCompleted, AddressOf myQueryTask_ExecuteCompleted
  
  ' Create a new Query object.
  Dim myQuery As ESRI.ArcGIS.Client.Tasks.Query = New ESRI.ArcGIS.Client.Tasks.Query
  
  ' Set the Query.Geometry to be that of the user draw graphic in Map1.
  myQuery.Geometry = theUserDrawnGeometry
  
  ' Return the Geometry to the QueryTask.ExecuteCompleted Event so that new Graphics can be drawn on Map2.
  myQuery.ReturnGeometry = True
  
  ' Set the SpatialReference of the returned features from the QueryTask to be that of Map2. 
  ' NOTE: You could experiment by changing the base ArcGISTiledMapServiceLayer to be in a different
  ' SpatialReference and thus altering the Map2 SpatialReference. Then you will see the returned 
  ' FeatureSet Graphics in a different projection than from Map1.
  myQuery.OutSpatialReference = Map2.SpatialReference
  
  ' Execute the QueryTask. 
  myQueryTask.ExecuteAsync(myQuery)
  
End Sub
            
Private Sub myQueryTask_ExecuteCompleted(sender As Object, e As ESRI.ArcGIS.Client.Tasks.QueryEventArgs)
  
  ' Get the returned FeatureSet from the QueryTask.
  Dim myFeatureSet As ESRI.ArcGIS.Client.Tasks.FeatureSet = e.FeatureSet
  
  ' Get the GraphicsLayer that was defined in XAML for Map2.
  Dim myGraphicsLayer As ESRI.ArcGIS.Client.GraphicsLayer = Map2.Layers("TheGraphicsLayer")
   
  ' Create a SimpleFillSymbol to draw the graphics in Map2.
  Dim mySimpleFillSymbol As New ESRI.ArcGIS.Client.Symbols.SimpleFillSymbol
  Dim mySolidColorBrush As New System.Windows.Media.SolidColorBrush(Colors.Yellow)
  mySolidColorBrush.Opacity = 0.5
  mySimpleFillSymbol.Fill = mySolidColorBrush
  
  ' Ensure the we have a FeatureSet with data.
  If myFeatureSet IsNot Nothing AndAlso myFeatureSet.Features.Count > 0 Then
    
    ' Iterate over each feature (which is a Graphic object) in the FeatureSet.
    For Each graphicFeature As ESRI.ArcGIS.Client.Graphic In myFeatureSet.Features
      
      ' The Graphic returned has valid Polygon Geometry values for the States. 
      If TypeOf graphicFeature.Geometry Is ESRI.ArcGIS.Client.Geometry.Polygon Then
        
        ' Attach the custom solid fill symbol to the Graphic.
        graphicFeature.Symbol = TryCast(mySimpleFillSymbol, ESRI.ArcGIS.Client.Symbols.Symbol)
        
        ' Add the Graphic to the GraphicsLayer in Map2.
        myGraphicsLayer.Graphics.Add(graphicFeature)
        
      End If
      
    Next graphicFeature
    
  End If
  
End Sub
            
Private Sub Mode_SelectionChanged(ByVal sender As Object, ByVal e As SelectionChangedEventArgs)
  
  ' This function executes when the user changes the ComboBox choice to select a different type of
  ' Graphic to draw.
  
  If e.AddedItems Is Nothing OrElse e.AddedItems.Count = 0 Then
    ' No change or invalid choice made.
    Return
  End If
  
  ' Enable the Draw object to accept user input for the particular Graphic type to be drawn.
  _Draw.DrawMode = CType(e.AddedItems(0), ESRI.ArcGIS.Client.DrawMode)
  _Draw.IsEnabled = _Draw.DrawMode <> ESRI.ArcGIS.Client.DrawMode.None
  
End Sub