private void WebResponseCallback(IAsyncResult asyncResult)
{
WebReadState asyncState = (WebReadState)asyncResult.AsyncState;
try
{
asyncState.readStream = asyncState.webRequest.EndGetResponse(asyncResult).GetResponseStream();
asyncState.buffer = new byte[0x186a0];
asyncState.readStream.BeginRead(asyncState.buffer, 0, asyncState.buffer.Length, new AsyncCallback(this.WebReadCallback), asyncState);
}
catch (WebException exception)
{
base.Dispatcher.Invoke(DispatcherPriority.Render, new WebRequestErrorDelegate(this.WebRequestError), exception);
}
}
private void GetGifStreamFromHttp(Uri uri)
{
try
{
WebReadState state = new WebReadState
{
memoryStream = new MemoryStream(),
webRequest = WebRequest.Create(uri)
};
state.webRequest.Timeout = 0x2710;
state.webRequest.BeginGetResponse(new AsyncCallback(this.WebResponseCallback), state);
}
catch (SecurityException)
{
this.CreateNonGifAnimationImage(true);
}
}
private void WebReadCallback(IAsyncResult asyncResult)
{
WebReadState asyncState = (WebReadState)asyncResult.AsyncState;
int count = asyncState.readStream.EndRead(asyncResult);
if (count > 0)
{
asyncState.memoryStream.Write(asyncState.buffer, 0, count);
try
{
asyncState.readStream.BeginRead(asyncState.buffer, 0, asyncState.buffer.Length, new AsyncCallback(this.WebReadCallback), asyncState);
}
catch (WebException exception)
{
base.Dispatcher.Invoke(DispatcherPriority.Render, new WebRequestErrorDelegate(this.WebRequestError), exception);
}
}
else
{
base.Dispatcher.Invoke(DispatcherPriority.Render, new WebRequestFinishedDelegate(this.WebRequestFinished), asyncState.memoryStream);
}
}