MS WebBrowser + Embedded HTML Resource + res:// Protocol

Question

I have an embedded HTML resource (helloworld.htm) inside my Visual Studio project. (Ie, I\'ve added an HTML file to the project and set its properties to \"Embedded Resource

Answer 1

This is the little helper class and how to call it:

How to call:

StreamResourceInfo info = 
    ResourceHelper.GetResourceStreamInfo(@"Resources/GraphicUserGuide.html");
if (info != null)
{
    WebBrowser.NavigateToStream(info.Stream);
}

Helper class:

using System;
using System.Reflection;
using System.Windows;
using System.Windows.Media.Imaging;
using System.Windows.Resources;

namespace HQ.Wpf.Util
{
    public class ResourceHelper
    {
        // ******************************************************************
        /// 

        /// Load a resource WPF-BitmapImage (png, bmp, ...) from embedded resource defined as 'Resource' not as 'Embedded resource'.
        /// 
        /// Path without starting slash
        /// Usually 'Assembly.GetExecutingAssembly()'. If not mentionned, I will use the calling assembly
        /// 
        public static BitmapImage LoadBitmapFromResource(string pathInApplication, Assembly assembly = null)
        {
            if (assembly == null)
            {
                assembly = Assembly.GetCallingAssembly();
            }

            return new BitmapImage(ResourceHelper.GetLocationUri(pathInApplication, assembly));
        }

        // ******************************************************************
        /// 

        /// The resource should be defined as 'Resource' not as 'Embedded resource'.
        /// 
        /// The path start with folder name (if any) then '/', then ...
        /// If null, then use calling assembly to find the resource
        /// 
        public static Uri GetLocationUri(string pathWithoutLeadingSlash, Assembly assembly = null)
        {
            if (pathWithoutLeadingSlash[0] == '/')
            {
                pathWithoutLeadingSlash = pathWithoutLeadingSlash.Substring(1);
            }

            if (assembly == null)
            {
                assembly = Assembly.GetCallingAssembly();
            }

            return new Uri(@"pack://application:,,,/" + assembly.GetName().Name + ";component/" + pathWithoutLeadingSlash, UriKind.Absolute);
        }

        // ******************************************************************
        /// 

        /// The resource should be defined as 'Resource' not as 'Embedded resource'.
        /// Example:            
        ///     StreamResourceInfo info = ResourceHelper.GetResourceStreamInfo(@"Resources/GraphicUserGuide.html");
        ///     if (info != null)
        ///     {
        ///         WebBrowser.NavigateToStream(info.Stream);
        ///     }
        /// 
        /// The path start with folder name (if any) then '/', then ...
        /// If null, then use calling assembly to find the resource
        /// 
        public static StreamResourceInfo GetResourceStreamInfo(string path, Assembly assembly = null)
        {
            if (assembly == null)
            {
                assembly = Assembly.GetCallingAssembly();
            }

            return Application.GetResourceStream(ResourceHelper.GetLocationUri(path, assembly));
        }

        // ******************************************************************

    }
}