Discuz.Web/silverlight/album/Common/ControlBase.cs

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//------------------------------------------------------------
//  Copyright(c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------

using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows.Input;
using System.Resources;
using System.Reflection;
using System.Diagnostics;
using System.IO;

namespace DiscuzAlbum.Common
{
    // Base class for all Sample Controls - overrides Width, Height and
    // mouse events to use the implementation root
    public abstract class ControlBase : Control
    {

        #region Public Methods

        public ControlBase()
        {
            //the control template must be in an embeded resource - find it
            Stream resourceStream = null;
            //if the assembly is built with VS there will be a prefix before
            //the resource name we expect. The resource name will be at the 
            //end after a dot
            string dotResource = '.' + ResourceName;
            Assembly assembly = typeof(ControlBase).Assembly;
            string[] names = assembly.GetManifestResourceNames();
            foreach (string name in names)
            {
                if (name.Equals(ResourceName) || name.EndsWith(dotResource))
                {
                    resourceStream = assembly.GetManifestResourceStream(name);
                    break;
                }
            }
            Debug.Assert(resourceStream != null, "the resource template" + ResourceName + " not found");
            StreamReader sr = new StreamReader(resourceStream);
            string xaml = sr.ReadToEnd();
            actualControl = InitializeFromXaml(xaml);
            sr.Close();
            Debug.Assert(actualControl != null, "failed to initialize the control");

            base.Width = actualControl.Width;
            base.Height = actualControl.Height;

            Loaded += new EventHandler(OnLoaded);
        }

        //forwards FindName to the actual control
        public new DependencyObject FindName(string name)
        {
            return actualControl.FindName(name);
        }