/// <summary>
/// Initiates an asynchronous call to the HTTP handler.
/// </summary>
/// <param name="context">An <see cref="T:System.Web.HttpContext"/> object that provides references to intrinsic server objects (for example, Request, Response, Session, and Server) used to service HTTP requests.</param>
/// <param name="cb">The <see cref="T:System.AsyncCallback"/> to call when the asynchronous method call is complete. If <paramref name="cb"/> is null, the delegate is not called.</param>
/// <param name="extraData">Any extra data needed to process the request.</param>
/// <returns>
/// An <see cref="T:System.IAsyncResult"/> that contains information about the status of the process.
/// </returns>
public IAsyncResult BeginProcessRequest(HttpContext context, AsyncCallback cb, object extraData)
{
string path = context.Request.PhysicalPath;
if (!File.Exists(path))
{
throw new HttpException(404, "The requested file cannot be found.");
}
SvgAsyncRenderState reqState = new SvgAsyncRenderState(context, cb, extraData);
SvgAsyncRender asyncRender = new SvgAsyncRender(reqState);
ThreadStart ts = new ThreadStart(asyncRender.RenderSvg);
t = new Thread(ts);
t.Start();
return reqState;
}
/// <summary>
/// Initiates an asynchronous call to the HTTP handler.
/// </summary>
/// <param name="context">An <see cref="T:System.Web.HttpContext"/> object that provides references to intrinsic server objects (for example, Request, Response, Session, and Server) used to service HTTP requests.</param>
/// <param name="cb">The <see cref="T:System.AsyncCallback"/> to call when the asynchronous method call is complete. If <paramref name="cb"/> is null, the delegate is not called.</param>
/// <param name="extraData">Any extra data needed to process the request.</param>
/// <returns>
/// An <see cref="T:System.IAsyncResult"/> that contains information about the status of the process.
/// </returns>
public IAsyncResult BeginProcessRequest(HttpContext context, AsyncCallback cb, object extraData)
{
string path = context.Request.PhysicalPath;
if (!File.Exists(path))
{
throw new HttpException(404, "The requested file cannot be found.");
}
SvgAsyncRenderState reqState = new SvgAsyncRenderState(context, cb, extraData);
SvgAsyncRender asyncRender = new SvgAsyncRender(reqState);
ThreadStart ts = new ThreadStart(asyncRender.RenderSvg);
t = new Thread(ts);
t.Start();
return(reqState);
}
