Silverlight 4 RC File Upload with Upload Progress: how to?
问题 It's been stated that one of the new features of Silverlight 4 RC is that it now supports upload progress. I'm assuming this means it's possible to make an upload file progress bar without "chunking" but I can't figure out how to do this, so how do we do this? Source code examples would be great. Thanks! 回答1: Ok, after lots of playing I've got it figured out: private void UploadFile(string url, CustomPostDataInfo pdi) { // Use the client http stack! //HttpWebRequest webRequest =