XAML

<UserControl  
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    xmlns:Controls="clr-namespace:SGWSilverlightAPI.Controls;assembly=SGWSilverlightAPI" x:Class="SilverlightApplication1.MainPage"
   
    mc:Ignorable="d"
    d:DesignHeight="300" d:DesignWidth="400">

    <Canvas x:Name="LayoutRoot" Background="White" Margin="0,0,0,0"/>
</UserControl>

CS

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Controls.Primitives;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using SGWSilverlightAPI.Interface;
using SGWSilverlightAPI.Map;
using SGWSilverlightAPI.Layer;
using SGWSilverlightAPI.Geometry;
using SGWSilverlightAPI.Controls;
using SGWSilverlightAPI.Tracker;
using SGWSilverlightAPI.Navigate;
 
 
namespace SilverlightApplication1
{
    public partial class MainPage : UserControl
    {
        MapBase m_pMapBase = null;
        ToolbarControl m_pToolbar = null;

        public MainPage()
        {
            InitializeComponent();
            m_pMapBase = new MapBase();
            m_pMapBase.Width = 2000;
            m_pMapBase.Height = 1000;
            m_pMapBase.Background = new SolidColorBrush(Colors.White);
            LayoutRoot.Children.Add(m_pMapBase);

            CachedLayer pLayer1 = new CachedLayer();
            pLayer1.ResourcePath = "http://sgs.supergeo.com.tw/wr1/Agent.aspx";
            pLayer1.OnLayerLoaded += OnLayerLoaded1;
            m_pMapBase.AddLayer(pLayer1);

            PanTool pTool = new PanTool();
            pTool.AllowDblClick = false;
            pTool.AllowWheelZoom = true;
            pTool.Initial(m_pMapBase);
            m_pMapBase.SelectMapTool(pTool);

            //ADD TOOLBAR AND TOOLS
            m_pToolbar = new ToolbarControl();
            m_pToolbar.VerticalAlignment = System.Windows.VerticalAlignment.Top;
            m_pToolbar.HorizontalAlignment = System.Windows.HorizontalAlignment.Left;
            m_pToolbar.Margin = new Thickness(50, 10, 0, 0);
            m_pToolbar.Orientation = Orientation.Horizontal;
            LayoutRoot.Children.Add(m_pToolbar);

            //ADD ZOOM IN TOOL
            ZoomTool pZoomInTool = new ZoomTool();
            pZoomInTool.ZoomType = 0;

            //ADD ZOOM OUT TOOL
            ZoomTool pZoomOutTool = new ZoomTool();
            pZoomOutTool.ZoomType = 1;

            //ADD PAN TOOL
            PanTool ptool = new PanTool();
            ptool.AllowDblClick = false;
            ptool.AllowWheelZoom = true;

            MapZoomStep Step = new MapZoomStep(m_pMapBase);

            //ADD ZOOM TO PREVIOUS EXTENT TOOL
            ZoomLastTool zlPrevtool = new ZoomLastTool();
            zlPrevtool.ZoomStepObject = Step;
            zlPrevtool.ZoomType = ZoomLastTool.ZOOM_PREVIOUS;

            //ADD ZOOM TO NEXT EXTENT TOOL
            ZoomLastTool zlNexttool = new ZoomLastTool();
            zlNexttool.ZoomStepObject = Step;
            zlNexttool.ZoomType = ZoomLastTool.ZOOM_NEXT;

            //ADD ZOOM TO FULL EXTENT TOOL
            FullExtentTool ftool = new FullExtentTool();
            ftool.MapCommand(m_pMapBase);

            //ADD TOOLS TO TOOLBAR
            m_pToolbar.AddTool(m_pMapBase, pZoomInTool, "images/002-01.png", "");
            m_pToolbar.AddTool(m_pMapBase, pZoomOutTool, "images/002-02.png", "");
            m_pToolbar.AddTool(m_pMapBase, ptool, "images/002-03.png", "");
            m_pToolbar.AddTool(m_pMapBase, zlPrevtool, "images/002-05.png", "");
            m_pToolbar.AddTool(m_pMapBase, zlNexttool, "images/002-06.png", "");
            m_pToolbar.AddTool(m_pMapBase, ftool, "images/002-04.png", "");
        }

        private void OnLayerLoaded1(object sender, EventArgs e)
        {
            Envelope pExt = m_pMapBase.Layers[0].Extent;
            ITransformation pTrans = new ScaleTransformation(1);
            m_pMapBase.Transformation = pTrans;
            Envelope pext1 = new Envelope(64.055019, 32.082678, 90.826878, 8.949713);
            m_pMapBase.ZoomMapTo(pExt);
            m_pMapBase.Scale = m_pMapBase.Scale * 3;
            m_pMapBase.RefreshMap(true);
        }
    }
}