/// <summary>
/// Registers and loads a <see cref="ResourceHandler"/> that represents the HTML content.
/// </summary>
/// <remarks>
/// `Cef` Native `LoadHtml` is unpredictable and only works sometimes, this method wraps
/// the provided HTML in a <see cref="ResourceHandler"/> and loads the provided url using
/// the <see cref="IWebBrowser.Load"/> method.
/// </remarks>
/// <param name="browser">The ChromiumWebBrowser instance this method extends</param>
/// <param name="html">The HTML content.</param>
/// <param name="url">The URL that will be treated as the address of the content.</param>
/// <param name="encoding">Character Encoding</param>
/// <param name="oneTimeUse">Whether or not the handler should be used once (true) or until manually unregistered (false)</param>
/// <returns>returns false if the Url was not successfully parsed into a Uri</returns>
public static bool LoadHtml(this IWebBrowser browser, string html, string url, Encoding encoding, bool oneTimeUse = false)
{
if (browser.ResourceRequestHandlerFactory == null)
{
browser.ResourceRequestHandlerFactory = new ResourceRequestHandlerFactory();
}
var handler = browser.ResourceRequestHandlerFactory as ResourceRequestHandlerFactory;
if (handler == null)
{
throw new Exception("LoadHtml can only be used with the default IResourceRequestHandlerFactory(DefaultResourceRequestHandlerFactory) implementation");
}
if (handler.RegisterHandler(url, ResourceHandler.GetByteArray(html, encoding, true), ResourceHandler.DefaultMimeType, oneTimeUse))
{
browser.Load(url);
return(true);
}
return(false);
}
/// <summary>
/// Registers and loads a <see cref="ResourceHandler"/> that represents the HTML content.
/// </summary>
/// <remarks>
/// `Cef` Native `LoadHtml` is unpredictable and only works sometimes, this method wraps
/// the provided HTML in a <see cref="ResourceHandler"/> and loads the provided url using
/// the <see cref="IWebBrowser.Load"/> method.
/// </remarks>
/// <param name="browser">The ChromiumWebBrowser instance this method extends</param>
/// <param name="html">The HTML content.</param>
/// <param name="url">The URL that will be treated as the address of the content.</param>
/// <param name="encoding">Character Encoding</param>
/// <param name="oneTimeUse">Whether or not the handler should be used once (true) or until manually unregistered (false)</param>
/// <returns>returns false if the Url was not successfully parsed into a Uri</returns>
public static bool LoadHtml(this IWebBrowser browser, string html, string url, Encoding encoding, bool oneTimeUse = false)
{
var handler = browser.ResourceHandlerFactory;
if (handler == null)
{
throw new Exception("Implement IResourceHandlerFactory and assign to the ResourceHandlerFactory property to use this feature");
}
var resourceHandler = handler as DefaultResourceHandlerFactory;
if (resourceHandler == null)
{
throw new Exception("LoadHtml can only be used with the default IResourceHandlerFactory(DefaultResourceHandlerFactory) implementation");
}
if (resourceHandler.RegisterHandler(url, ResourceHandler.GetByteArray(html, encoding, true), ResourceHandler.DefaultMimeType, oneTimeUse))
{
browser.Load(url);
return(true);
}
return(false);
}