Public Class CsvLayer 
   Inherits ESRI.ArcGIS.Client.GraphicsLayer
   Implements ESRI.ArcGIS.Client.ILegendSupport 

public class CsvLayer : ESRI.ArcGIS.Client.GraphicsLayer, ESRI.ArcGIS.Client.ILegendSupport  

<Grid x:Name="LayoutRoot" >
  
  <!-- Add local Resources to define a SimpleRender to display Red circles as a SimpleMarkerSymbol 
  for the CsvLayer. -->
  <Grid.Resources>
    <esri:SimpleRenderer x:Key="myRenderer">
      <esri:SimpleRenderer.Symbol>
        <esri:SimpleMarkerSymbol Color="Red" Size="12" Style="Circle" />
      </esri:SimpleRenderer.Symbol>
    </esri:SimpleRenderer>
  </Grid.Resources>
  
  <!-- Add a Map Control to the application. Set the Extent to North America. -->
  <esri:Map x:Name="Map1" HorizontalAlignment="Left" VerticalAlignment="Top" 
        Margin="0,238,0,0" Height="350" Width="415" Extent="-15219969,2609636,-6232883,6485365">
  
    <!-- Add a backdrop ArcGISTiledMapServiceLayer. -->
    <esri:ArcGISTiledMapServiceLayer  ID="World_Topo_Map" 
          Url="http://services.arcgisonline.com/arcgis/rest/services/world_topo_map/MapServer" />
    
    <!-- Add a CsvLayer. The renderer symbology will be based upon the local static resource defined above.
    NOTE: you need to adjust the Url to a .csv file served up on your test web server. -->
    <esri:CsvLayer ID="US_Cities_Top_5" Url="http://www.yourserver.com/CSV_Files/US_Cities_Top_5.csv"
          Renderer="{StaticResource myRenderer}" Initialized="CsvLayer_Initialized"/>
  </esri:Map>
  
  <!-- Add a Button that will allow the user to add another CsvLayer via code-behind. -->
  <Button Name="Button1" Height="23" HorizontalAlignment="Left" Margin="0,209,0,0"  VerticalAlignment="Top" 
          Width="706" Content="Add another CsvLayer (via code-behind) for the specified Url."
          Click="Button1_Click" />
  
  <!-- TextBox to display information about about the CsvLayerLayers added to the Map. -->
  <TextBox Height="350" HorizontalAlignment="Left" Margin="421,238,0,0" Name="TextBox1" VerticalAlignment="Top" 
           Width="285" />
  
  <!-- Provide the instructions on how to use the sample code. -->
  <TextBlock Height="174" HorizontalAlignment="Left" Name="TextBlock1" VerticalAlignment="Top" Width="788" 
             TextWrapping="Wrap" Text="When the application loads a CsvLayer will automatically be added 
             to the Map (it was specified in XAML). Click the Button to add another CsvLayer to the Map 
             (it will be added via code-behind). The ID of each layer will displayed in the TextBox." />
</Grid>

private void CsvLayer_Initialized(object sender, System.EventArgs e)
{
  // This function will execute as a result of the CsvLayer that was defined in XAML being Initialized.
  
  // Get the CsvLayer.
  ESRI.ArcGIS.Client.Toolkit.DataSources.CsvLayer myCsvLayer = (ESRI.ArcGIS.Client.Toolkit.DataSources.CsvLayer)sender;
  
  // Get the ID of the CsvLayer.
  string myID = myCsvLayer.ID;
  
  // Create a StringBuilder object to hold information about the CsvLayer and add some useful information to it.
  System.Text.StringBuilder myStringBuilder = new System.Text.StringBuilder();
  myStringBuilder.Append("The 1st CsvLayer was" + Environment.NewLine);
  myStringBuilder.Append("added via XAML and it's ID is: " + Environment.NewLine);
  myStringBuilder.Append(myID);
  
  // Display the results of the StringBuilder text to the user.
  TextBox1.Text = myStringBuilder.ToString();
}
            
private void Button1_Click(object sender, System.Windows.RoutedEventArgs e)
{
  // This function executes as a result of the user clicking the Button. It adds a CsvLayer using code-behind.
  
  // Create a CsvLayer. 
  ESRI.ArcGIS.Client.Toolkit.DataSources.CsvLayer myCsvLayer2 = new ESRI.ArcGIS.Client.Toolkit.DataSources.CsvLayer();
  
  // Set the Url of the CsvLayer to a public service. 
  // NOTE: you need to adjust the Url to a .csv file served up on your test web server.
  myCsvLayer2.Url = "http://www.yourserver.com/CSV_Files/US_Cities_6_to_10.csv";
  
  // Set the ID of the CsvLayer.
  myCsvLayer2.ID = "US_Cities_6_to_10";
  
  // Create a SimpleMarkerSymbol (a green circle) for the CsvLayer that will be added.
  ESRI.ArcGIS.Client.Symbols.SimpleMarkerSymbol theSimpleMarkerSymbol = new ESRI.ArcGIS.Client.Symbols.SimpleMarkerSymbol();
  theSimpleMarkerSymbol.Color = new System.Windows.Media.SolidColorBrush(System.Windows.Media.Colors.Green);
  theSimpleMarkerSymbol.Size = 12;
  theSimpleMarkerSymbol.Style = ESRI.ArcGIS.Client.Symbols.SimpleMarkerSymbol.SimpleMarkerStyle.Circle;
  
  // Define a SimpleRenderer and set the Symbol to the SimpleMarkerSymbol.
  ESRI.ArcGIS.Client.SimpleRenderer theSimpleRenderer = new ESRI.ArcGIS.Client.SimpleRenderer();
  theSimpleRenderer.Symbol = theSimpleMarkerSymbol;
  
  // Define the Renderer for the CsvLayer.
  myCsvLayer2.Renderer = theSimpleRenderer;
  
  // Wire-up the Initialized Event of the CsvLayer. Note how a different Initilized Event is being used verses 
  // the one defined in XAML. They could share the same Initialized Event but we created two seperate ones 
  // for demonstration purposes.
  myCsvLayer2.Initialized += CsvLayer_Initialized2;
  
  // Add the CsvLayer to the Map.
  Map1.Layers.Add(myCsvLayer2);
}
            
private void CsvLayer_Initialized2(object sender, EventArgs e)
{
  // This function will execute as a result of the CsvLayer that was defined in code-behind being Initialized.
  
  // Get the CsvLayer.
  ESRI.ArcGIS.Client.Toolkit.DataSources.CsvLayer myCsvLayer2 = (ESRI.ArcGIS.Client.Toolkit.DataSources.CsvLayer)sender;
  
  // Get the ID of the CsvLayer.
  string myID2 = myCsvLayer2.ID;
  
  // Create a StringBuilder object to hold information about the CsvLayer and add some useful information to it.
  System.Text.StringBuilder myStringBuilder = new System.Text.StringBuilder();
  myStringBuilder.Append(TextBox1.Text + Environment.NewLine);
  myStringBuilder.Append(Environment.NewLine);
  myStringBuilder.Append("The 2nd CsvLayer was" + Environment.NewLine);
  myStringBuilder.Append("added via code-behind and it's ID is: " + Environment.NewLine);
  myStringBuilder.Append(myID2);
  
  // Display the results of the StringBuilder text to the user.
  TextBox1.Text = myStringBuilder.ToString();
}

Private Sub CsvLayer_Initialized(sender As System.Object, e As System.EventArgs)
  
  ' This function will execute as a result of the CsvLayer that was defined in XAML being Initialized.
  
  ' Get the CsvLayer.
  Dim myCsvLayer As ESRI.ArcGIS.Client.Toolkit.DataSources.CsvLayer = CType(sender, ESRI.ArcGIS.Client.Toolkit.DataSources.CsvLayer)
  
  ' Get the ID of the CsvLayer.
  Dim myID As String = myCsvLayer.ID
  
  ' Create a StringBuilder object to hold information about the CsvLayer and add some useful information to it.
  Dim myStringBuilder As New Text.StringBuilder
  myStringBuilder.Append("The 1st CsvLayer was" + vbCrLf)
  myStringBuilder.Append("added via XAML and it's ID is: " + vbCrLf)
  myStringBuilder.Append(myID)
  
  ' Display the results of the StringBuilder text to the user.
  TextBox1.Text = myStringBuilder.ToString
  
End Sub
            
Private Sub Button1_Click(sender As System.Object, e As System.Windows.RoutedEventArgs)
  
  ' This function executes as a result of the user clicking the Button. It adds a CsvLayer using code-behind.
  
  ' Create a CsvLayer. 
  Dim myCsvLayer2 As ESRI.ArcGIS.Client.Toolkit.DataSources.CsvLayer = New ESRI.ArcGIS.Client.Toolkit.DataSources.CsvLayer
  
  ' Set the Url of the CsvLayer to a public service. 
  ' NOTE: you need to adjust the Url to a .csv file served up on your test web server.
  myCsvLayer2.Url = "http://www.yourserver.com/CSV_Files/US_Cities_6_to_10.csv"
  
  ' Set the ID of the CsvLayer.
  myCsvLayer2.ID = "US_Cities_6_to_10"
  
  ' Create a SimpleMarkerSymbol (a green circle) for the CsvLayer that will be added.
  Dim theSimpleMarkerSymbol As ESRI.ArcGIS.Client.Symbols.SimpleMarkerSymbol = New ESRI.ArcGIS.Client.Symbols.SimpleMarkerSymbol
  theSimpleMarkerSymbol.Color = New System.Windows.Media.SolidColorBrush(System.Windows.Media.Colors.Green)
  theSimpleMarkerSymbol.Size = 12
  theSimpleMarkerSymbol.Style = ESRI.ArcGIS.Client.Symbols.SimpleMarkerSymbol.SimpleMarkerStyle.Circle
  
  ' Define a SimpleRenderer and set the Symbol to the SimpleMarkerSymbol.
  Dim theSimpleRenderer As ESRI.ArcGIS.Client.SimpleRenderer = New ESRI.ArcGIS.Client.SimpleRenderer
  theSimpleRenderer.Symbol = theSimpleMarkerSymbol
  
  ' Define the Renderer for the CsvLayer.
  myCsvLayer2.Renderer = theSimpleRenderer
  
  ' Wire-up the Initialized Event of the CsvLayer. Note how a different Initilized Event is being used verses 
  ' the one defined in XAML. They could share the same Initialized Event but we created two seperate ones 
  ' for demonstration purposes.
  AddHandler myCsvLayer2.Initialized, AddressOf CsvLayer_Initialized2
  
  ' Add the CsvLayer to the Map.
  Map1.Layers.Add(myCsvLayer2)
  
End Sub
            
Private Sub CsvLayer_Initialized2(sender As Object, e As EventArgs)
  
  ' This function will execute as a result of the CsvLayer that was defined in code-behind being Initialized.
  
  ' Get the CsvLayer.
  Dim myCsvLayer2 As ESRI.ArcGIS.Client.Toolkit.DataSources.CsvLayer = CType(sender, ESRI.ArcGIS.Client.Toolkit.DataSources.CsvLayer)
  
  ' Get the ID of the CsvLayer.
  Dim myID2 As String = myCsvLayer2.ID
  
  ' Create a StringBuilder object to hold information about the CsvLayer and add some useful information to it.
  Dim myStringBuilder As New Text.StringBuilder
  myStringBuilder.Append(TextBox1.Text + vbCrLf)
  myStringBuilder.Append(vbCrLf)
  myStringBuilder.Append("The 2nd CsvLayer was" + vbCrLf)
  myStringBuilder.Append("added via code-behind and it's ID is: " + vbCrLf)
  myStringBuilder.Append(myID2)
  
  ' Display the results of the StringBuilder text to the user.
  TextBox1.Text = myStringBuilder.ToString
  
End Sub