BYR Achieve · 镜像论坛

#if NET_2_1 using System; using System.Collections; using System.Globalization; using System.IO; using System.Net; using System.Windows.Interop; using Mono; namespace System.Windows.Browser.Net { class BrowserHttpWebRequest : HttpWebRequest { IntPtr native; Uri uri; string method = "GET"; WebHeaderCollection headers = new WebHeaderCollection (); MemoryStream request; BrowserHttpWebResponse response; BrowserHttpWebAsyncResult async_result; public BrowserHttpWebRequest (Uri uri) { this.uri = uri; } ~BrowserHttpWebRequest () { if (async_result != null) async_result.Dispose (); if (native == IntPtr.Zero) return; NativeMethods.browser_http_request_destroy (native); } public override void Abort () { if (native == IntPtr.Zero) return; NativeMethods.browser_http_request_abort (native); } static bool IsSameRangeKind (string range, string rangeSpecifier) { return range.ToLower (CultureInfo.InvariantCulture).StartsWith ( rangeSpecifier.ToLower (CultureInfo.InvariantCulture)); } public override IAsyncResult BeginGetRequestStream (AsyncCallback callback, object state) { throw new NotImplementedException (); } public override IAsyncResult BeginGetResponse (AsyncCallback callback, object state) { InitializeNativeRequest (); async_result = new BrowserHttpWebAsyncResult (callback, state); if (!NativeMethods.browser_http_request_get_async_response (native, OnAsyncResponseAvailable, IntPtr.Zero)) throw new InvalidOperationException (); return async_result; } void OnAsyncResponseAvailable (IntPtr native, IntPtr context) { try { async_result.Response = new BrowserHttpWebResponse (this, native); async_result.SetComplete (); } catch (Exception e) { async_result.Exception = e; } } public override Stream EndGetRequestStream (IAsyncResult asyncResult) { throw new NotImplementedException (); } public override WebResponse EndGetResponse (IAsyncResult asyncResult) { if (async_result != asyncResult) throw new ArgumentException (); if (!async_result.IsCompleted) async_result.AsyncWaitHandle.WaitOne (); if (async_result.HasException) { async_result.Dispose (); throw async_result.Exception; } response = async_result.Response; async_result.Dispose (); response.Read (); return response; } public Stream GetRequestStream () { if (request == null) request = new MemoryStream (); return request; } static Uri GetBaseUri () { //FIXME: there's most probably a better way to do this. string uri = HtmlPage.DocumentUri.AbsoluteUri; return new Uri (uri.Substring (0, uri.LastIndexOf ("/") + 1)); } static Uri GetAbsoluteUri (Uri uri) { return new Uri (GetBaseUri (), uri); } void InitializeNativeRequest () { if (native != IntPtr.Zero) return; Uri request_uri = uri.IsAbsoluteUri ? uri : GetAbsoluteUri (uri); native = NativeMethods.browser_http_request_new (PluginHost.Handle, method, request_uri.AbsoluteUri); if (native == IntPtr.Zero) throw new NotSupportedException ("Failed to create unmanaged BrowserHttpRequest object. unsupported browser."); foreach (string header in headers.Headers) NativeMethods.browser_http_request_set_header (native, header, headers [header]); if (request != null && request.Length > 0) { byte [] body = request.ToArray (); NativeMethods.browser_http_request_set_body (native, body, body.Length); } } public HttpWebResponse GetResponse () { InitializeNativeRequest (); IntPtr resp = NativeMethods.browser_http_request_get_response (native); if (resp == IntPtr.Zero) throw new InvalidOperationException (); response = new BrowserHttpWebResponse (this, resp); response.Read (); return response; } public override string ContentType { get { return headers [HttpRequestHeader.ContentType]; } set { headers [HttpRequestHeader.ContentType] = value; } } public override bool HaveResponse { get { return response != null; } } public override WebHeaderCollection Headers { get { return headers; } set { headers = value; } } public override string Method { get { return method; } set { method = value; } } public override Uri RequestUri { get { return uri; } } } } #endif 文件名是： BrowserHttpWebRequest.cs 编译的时候提示错误： ./System.Windows.Browser.Net/BrowserHttpWebRequest.cs(42,16): error CS0534: `System.Windows.Browser.Net.BrowserHttpWebRequest' does not implement inherited abstract member `System.Net.WebRequest.GetRequestStream()' ./System.Windows.Browser.Net/BrowserHttpWebRequest.cs(42,16): error CS0534: `System.Windows.Browser.Net.BrowserHttpWebRequest' does not implement inherited abstract member `System.Net.WebRequest.GetResponse()' 明明已经写了public Stream GetRequestStream () 和 public HttpWebResponse GetResponse () 这两个方法，为什么还提示这个错误呢？

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