摘要： 1.定位服务 GeoPositionAccuracy accuracy = GeoPositionAccuracy.Default; GeoCoordinateWatcher watcher = new GeoCoordinateWatcher(); watcher.StatusChanged += new EventHandler<GeoPositionStatusChangedEventArgs>(watcher_StatusChanged); watcher.Start(); MessageBox.Show(str); private void watcher_Positio 阅读全文

摘要： //DownloadProgressChanged //DownloadStringCompleted //OpenReadCompleted //OpenWriteCompleted //UploadProgressChanged //UploadStringCompleted // WriteStreamClosed // DownLoadStringAsnc //OpenReadAsync //UpLoadStringAsync //OpenWriteAsync WebClient client = new WebClient(); if (client.IsBusy) clien... 阅读全文