Public ReadOnly Property Capabilities As IEnumerable(Of String)

public IEnumerable<string> Capabilities {get;}

<Grid x:Name="LayoutRoot">
  
  <!-- Add a Stack Panel that will be used to hold the Map Control that is added via code-behind.  -->
  <StackPanel HorizontalAlignment="Left" Margin="12,288,0,0" Name="StackPanel1" 
              VerticalAlignment="Top" Width="775" Height="300">
  </StackPanel>
  
  <!-- 
  Add a ComboBox that allows the user to choose Url's for specifying different ArcGISDynamicMapServiceLayer's.
  -->
  <sdk:Label Height="28" HorizontalAlignment="Left" Margin="11,229,0,0" Name="Label1" 
             VerticalAlignment="Top" Width="26" Content="Url:"/>
  <ComboBox Height="28" HorizontalAlignment="Left" Margin="41,223,0,0" Name="ComboBox1" VerticalAlignment="Top" 
            Width="746" SelectedIndex="0">
    <ComboBoxItem>
      <!-- Uses ArcGIS Server v10.01. -->
      http://server.arcgisonline.com/ArcGIS/rest/services/Canvas/World_Light_Gray_Base/MapServer
    </ComboBoxItem>
    <ComboBoxItem>
      <!-- Uses ArcGIS Server v10.01. -->
      http://server.arcgisonline.com/ArcGIS/rest/services/Demographics/USA_1990-2000_Population_Change/MapServer
    </ComboBoxItem>
    <ComboBoxItem>
      <!-- Uses ArcGIS Server v9.31. The ArcGISDynamicMapServiceLayer.Capabilities are not discoverable via code. -->
      http://serverapps.esri.com/ArcGIS/rest/services/NZTopo/MapServer
    </ComboBoxItem>
    <ComboBoxItem>
      <!-- A non-existant (bogus) ArcGISDynamicMapServiceLayer. -->
      http://serverapps.esri.com/ArcGIS/rest/services/SamplesNET/BOGUS/MapServer
    </ComboBoxItem>
  </ComboBox>
  
  <!-- Add a Button to perform the work. -->
  <Button Content="Get Capabilities" Height="25" HorizontalAlignment="Left" 
          Margin="11,257,0,0" Name="Button1" VerticalAlignment="Top" Width="776" Click="Button1_Click"/>
  
  <!-- Provide the instructions on how to use the sample code. -->
  <TextBlock Height="183" HorizontalAlignment="Left" Name="TextBlock1" VerticalAlignment="Top" Width="787" 
             TextWrapping="Wrap" Text="Choose a Url from the ComboBox and then click the Button. A Map Control 
             will be created on-the-fly via code-behind and then an ArcGISDynamicMapServiceLayer for then Url 
             will be added to the Map. The Capabilities information will be displayed in a MessageBox. For 
             ArcGIS Server 9.31 and prior, ArcGISDynamicMapServiceLayer.Capabilities are not discoverable via code." />
  
</Grid>

// NOTE: From the ESRI.ArcGIS.Client.Map.SpatialReference API documentation:
// -------------------------------------------------------------------------
// The SpatialReference of the Map can be overridden (meaning that you can set the Map.SpatialReference) by 
// explicitly setting the Map.Extent Property with an Envelope that has an Envelope.SpatialReference defined. 
// Initializing a Map’s SpatialReference via the Map.Extent Property has to be done before any layers will be 
// added to the Map. Once the SpatialReference of a Map has been set and the layers have been loaded, the 
// SpatialReference can no longer be changed. If you need to change SpatialReference on the fly, you can 
// instead create a new Map instance, move the layers to this Map, and replace the previous Map instance. 
  
private void Button1_Click(object sender, System.Windows.RoutedEventArgs e)
{
  // In this code example, each of the Url's options for the ArcGISDynamicMapServiceLayer in the ComboBox
  // will have a different SpatialReference. To make this sample work, we construct the Map Control on-the-fly
  // for each user choice of the ComboBox to accomodate the changing SpatialReference values.
  
  // Get the StackPanel that was defined in a XAML and remove all child controls.
  StackPanel theStackPanel = (StackPanel)(LayoutRoot.Children[0]);
  theStackPanel.Children.Clear();
  
  // Create a new Map Control, define the intial size properties and then add it to the StackPanel UI Control.
  ESRI.ArcGIS.Client.Map Map1 = new ESRI.ArcGIS.Client.Map();
  Map1.Height = 300;
  Map1.Width = 775;
  Map1.WrapAround = true;
  theStackPanel.Children.Add(Map1);
  
  // Get the user choice from the ComboBox that contains the Url for defining an ArcGISDynamicMapServiceLayer.
  string theUrl = ComboBox1.SelectionBoxItem.ToString();
  if (theUrl != null)
  {
    // Create a new ArcGISDynamicMapServiceLayer using the Url and add it to the Map Control. 
    ESRI.ArcGIS.Client.ArcGISDynamicMapServiceLayer theArcGISDynamicMapServiceLayer = new ESRI.ArcGIS.Client.ArcGISDynamicMapServiceLayer();
    theArcGISDynamicMapServiceLayer.Url = theUrl;
    Map1.Layers.Add(theArcGISDynamicMapServiceLayer);
    
    // Wire up the Intialized Event Handler. This will be used to display the ArcGISDynamicMapServiceLayer 
    // Capabilities information.
    theArcGISDynamicMapServiceLayer.Initialized += theArcGISDynamicMapServiceLayer_Initialized;
    
    // Wire up the IntializationFailed Event Handler. This will be used to display any errors with the loading of 
    // the ArcGISDynamicMapServiceLayer. In this example the 4th choice in the ComboBox:
    // http://serverapps.esri.com/ArcGIS/rest/services/SamplesNET/BOGUS/MapServer
    // in not even a valid ArcGISDynamicMapServiceLayer so an error should appear in the InitializationFailed Event.
    theArcGISDynamicMapServiceLayer.InitializationFailed += theArcGISDynamicMapServiceLayer_InitializationFailed;
  }
}
            
private void theArcGISDynamicMapServiceLayer_Initialized(object sender, EventArgs e)
{
  // This function will display the ArcGISDynamicMapServiceLayer.Capabilities back to the user
  // in the form of a MessageBox. If the ArcGISDynamicMapServiceLayer is being hosted on a machine
  // with v10.0 or higher the Capabilities will be displayed. If a bogus ArcGISDynamicMapServiceLayer
  // is used the ArcGISDynamicMapServiceLayer.InitializationFailed Event will fire.
  
  // Get the ArcGISDynamicMapServiceLayer.
  ESRI.ArcGIS.Client.ArcGISDynamicMapServiceLayer myArcGISDynamicMapServiceLayer = null;
  myArcGISDynamicMapServiceLayer = (ESRI.ArcGIS.Client.ArcGISDynamicMapServiceLayer)sender;
  
  // Do a check to make sure that the creation of the ArcGISDynamicMapServiceLayer succeded.
  if (myArcGISDynamicMapServiceLayer.InitializationFailure == null)
  {
    // We did not get any error information for the ArcGISDynamicMapServiceLayer, so continue.
    
    // Get the Capabilities of the ArcGISDynamicMapServiceLayer.
    IEnumerable<string> myCapabilities = myArcGISDynamicMapServiceLayer.Capabilities;
    
    // Get the Count of the capabilities to see if we are using ArcGIS Server 10.0 and forward.
    if (myCapabilities.Count() > 0)
    {
      // Display the capabilities in a MessageBox.
      System.Text.StringBuilder myMessage = new System.Text.StringBuilder();
      myMessage.Append("The Capabilities of the ArcGISDynamicMapServiceLayer are:" + Environment.NewLine);
      foreach (string myCapability in myCapabilities)
      {
        myMessage.Append(myCapability + Environment.NewLine);
      }
      MessageBox.Show(myMessage.ToString());
    }
    else
    {
      // Obtaining the listing of capabilities is not available for ArcGIS Server 9.31 and earlier.
      MessageBox.Show("The Count of the Capabilities Property = 0. Must be ArcGIS Server version 9.31 or earlier.");
    }
  }
}
            
private void theArcGISDynamicMapServiceLayer_InitializationFailed(object sender, EventArgs e)
{
  // This event fires where there is a problem with the loading of the ArcGISDynamicMapServiceLayer.
  
  // Get the ArcGISDynamicMapServiceLayer.
  ESRI.ArcGIS.Client.ArcGISDynamicMapServiceLayer myArcGISDynamicMapServiceLayer = null;
  myArcGISDynamicMapServiceLayer = (ESRI.ArcGIS.Client.ArcGISDynamicMapServiceLayer)sender;
  
  // Get the InitializationFailure error message.
  System.Exception myInitializationFailure = myArcGISDynamicMapServiceLayer.InitializationFailure;
  
  // Display the error message to the user.
  MessageBox.Show(myInitializationFailure.Message);
  
}

' NOTE: From the ESRI.ArcGIS.Client.Map.SpatialReference API documentation:
' -------------------------------------------------------------------------
' The SpatialReference of the Map can be overridden (meaning that you can set the Map.SpatialReference) by 
' explicitly setting the Map.Extent Property with an Envelope that has an Envelope.SpatialReference defined. 
' Initializing a Map’s SpatialReference via the Map.Extent Property has to be done before any layers will be 
' added to the Map. Once the SpatialReference of a Map has been set and the layers have been loaded, the 
' SpatialReference can no longer be changed. If you need to change SpatialReference on the fly, you can 
' instead create a new Map instance, move the layers to this Map, and replace the previous Map instance. 
  
Private Sub Button1_Click(sender As System.Object, e As System.Windows.RoutedEventArgs)
  
  ' In this code example, each of the Url's options for the ArcGISDynamicMapServiceLayer in the ComboBox
  ' will have a different SpatialReference. To make this sample work, we construct the Map Control on-the-fly
  ' for each user choice of the ComboBox to accomodate the changing SpatialReference values.
  
  ' Get the StackPanel that was defined in a XAML and remove all child controls.
  Dim theStackPanel As StackPanel = CType(LayoutRoot.Children(0), StackPanel)
  theStackPanel.Children.Clear()
  
  ' Create a new Map Control, define the intial size properties and then add it to the StackPanel UI Control.
  Dim Map1 As ESRI.ArcGIS.Client.Map = New ESRI.ArcGIS.Client.Map
  Map1.Height = 300
  Map1.Width = 775
  Map1.WrapAround = True
  theStackPanel.Children.Add(Map1)
  
  ' Get the user choice from the ComboBox that contains the Url for defining an ArcGISDynamicMapServiceLayer.
  Dim theUrl As String = ComboBox1.SelectionBoxItem.ToString
  If theUrl IsNot Nothing Then
    
    ' Create a new ArcGISDynamicMapServiceLayer using the Url and add it to the Map Control. 
    Dim theArcGISDynamicMapServiceLayer As New ESRI.ArcGIS.Client.ArcGISDynamicMapServiceLayer
    theArcGISDynamicMapServiceLayer.Url = theUrl
    Map1.Layers.Add(theArcGISDynamicMapServiceLayer)
    
    ' Wire up the Intialized Event Handler. This will be used to display the ArcGISDynamicMapServiceLayer 
    ' Capabilities information.
    AddHandler theArcGISDynamicMapServiceLayer.Initialized, AddressOf theArcGISDynamicMapServiceLayer_Initialized
    
    ' Wire up the IntializationFailed Event Handler. This will be used to display any errors with the loading of 
    ' the ArcGISDynamicMapServiceLayer. In this example the 4th choice in the ComboBox:
    ' http://serverapps.esri.com/ArcGIS/rest/services/SamplesNET/BOGUS/MapServer
    ' in not even a valid ArcGISDynamicMapServiceLayer so an error should appear in the InitializationFailed Event.
    AddHandler theArcGISDynamicMapServiceLayer.InitializationFailed, AddressOf theArcGISDynamicMapServiceLayer_InitializationFailed
    
  End If
  
End Sub
            
Private Sub theArcGISDynamicMapServiceLayer_Initialized(sender As Object, e As EventArgs)
  
  ' This function will display the ArcGISDynamicMapServiceLayer.Capabilities back to the user
  ' in the form of a MessageBox. If the ArcGISDynamicMapServiceLayer is being hosted on a machine
  ' with v10.0 or higher the Capabilities will be displayed. If a bogus ArcGISDynamicMapServiceLayer
  ' is used the ArcGISDynamicMapServiceLayer.InitializationFailed Event will fire.
  
  ' Get the ArcGISDynamicMapServiceLayer.
  Dim myArcGISDynamicMapServiceLayer As ESRI.ArcGIS.Client.ArcGISDynamicMapServiceLayer
  myArcGISDynamicMapServiceLayer = CType(sender, ESRI.ArcGIS.Client.ArcGISDynamicMapServiceLayer)
  
  ' Do a check to make sure that the creation of the ArcGISDynamicMapServiceLayer succeded.
  If myArcGISDynamicMapServiceLayer.InitializationFailure Is Nothing Then
    
    ' We did not get any error information for the ArcGISDynamicMapServiceLayer, so continue.
    
    ' Get the Capabilities of the ArcGISDynamicMapServiceLayer.
    Dim myCapabilities As IEnumerable(Of String) = myArcGISDynamicMapServiceLayer.Capabilities
    
    ' Get the Count of the capabilities to see if we are using ArcGIS Server 10.0 and forward.
    If myCapabilities.Count > 0 Then
      
      ' Display the capabilities in a MessageBox.
      Dim myMessage As New System.Text.StringBuilder
      myMessage.Append("The Capabilities of the ArcGISDynamicMapServiceLayer are:" + vbCrLf)
      Dim myCapability As String = Nothing
      For Each myCapability In myCapabilities
        myMessage.Append(myCapability + vbCrLf)
      Next
      MessageBox.Show(myMessage.ToString)
      
    Else
      
      ' Obtaining the listing of capabilities is not available for ArcGIS Server 9.31 and earlier.
      MessageBox.Show("The Count of the Capabilities Property = 0. Must be ArcGIS Server version 9.31 or earlier.")
    
    End If
    
  End If
  
End Sub
            
Private Sub theArcGISDynamicMapServiceLayer_InitializationFailed(sender As Object, e As EventArgs)
  
  ' This event fires where there is a problem with the loading of the ArcGISDynamicMapServiceLayer.
  
  ' Get the ArcGISDynamicMapServiceLayer.
  Dim myArcGISDynamicMapServiceLayer As ESRI.ArcGIS.Client.ArcGISDynamicMapServiceLayer
  myArcGISDynamicMapServiceLayer = CType(sender, ESRI.ArcGIS.Client.ArcGISDynamicMapServiceLayer)
  
  ' Get the InitializationFailure error message.
  Dim myInitializationFailure As System.Exception = myArcGISDynamicMapServiceLayer.InitializationFailure
  
  ' Display the error message to the user.
  MessageBox.Show(myInitializationFailure.Message)
  
End Sub