Example #1
0
        //private async void ShutterButton_Click(object sender, EventArgs eventArgs)
        //{

        //    if (cam != null)
        //    {
        //        CameraCaptureSequence captureSequence = cam.CreateCaptureSequence(1);
        //        MemoryStream captureStream = new MemoryStream();

        //        captureSequence.Frames[0].CaptureStream = captureStream.AsOutputStream();

        //        await cam.PrepareCaptureSequenceAsync(captureSequence);
        //        await captureSequence.StartCaptureAsync();

        //        captureStream.Seek(0, SeekOrigin.Begin);
        //        byte[] buffer = new byte[captureStream.Length];
        //        captureStream.Read(buffer, 0, buffer.Length);

        //        phoneService.BeginSendImage(++imageSeqeuenceNumber, buffer, SendImageCompleted, null);

        //        //timer.Start();
        //        //    Dispatcher.BeginInvoke(timer.Stop);
        //        //    try
        //        //    {
        //        //        //Debug.Assert(cam.FlashMode == FlashMode.Off);
        //        //        cam.FlashMode = FlashMode.Off;
        //        //        cam.CaptureImage();
        //        //    }
        //        //    catch (Exception ex)
        //        //    {
        //        //        this.Dispatcher.BeginInvoke(delegate()
        //        //        {
        //        //            // Cannot capture an image until the previous capture has completed.
        //        //            txtDebug.Text = ex.Message;
        //        //        });
        //        //    }
        //    }
        //}

        //void cam_CaptureCompleted(object sender, CameraOperationCompletedEventArgs e)
        //{
        //    // Increments the savedCounter variable used for generating JPEG file names.
        //    savedCounter++;
        //}


        // Informs when full resolution picture has been taken, saves to local media library and isolated storage.
        //void cam_CaptureImageAvailable(object sender, ContentReadyEventArgs e)
        //{
        //    //string fileName = savedCounter + ".jpg";

        //    if (phoneService != null)
        //    {
        //        //SocketAsyncEventArgs se = new SocketAsyncEventArgs();
        //        //se.Buffer = new byte[];
        //        e.ImageStream.Seek(0, SeekOrigin.Begin);
        //        byte[] buffer = new byte[e.ImageStream.Length];
        //        e.ImageStream.Read(buffer, 0, buffer.Length);
        //        //e.ImageStream.ReadAsync(buffer, 0, buffer.Length);

        //        //se.SetBuffer(buffer, 0, buffer.Length);

        //        //streamScoket.SendAsync(se);

        //        e.ImageStream.Close();


        //        IAsyncResult r = phoneService.BeginSendImage(++imageSeqeuenceNumber, buffer, SendImageCompleted, null);
        //        //phoneService.EndSendImage(r);
        //        //Dispatcher.BeginInvoke(timer.Start);

        //    }
        //    //try
        //    //{   // Write message to the UI thread.
        //    //    Deployment.Current.Dispatcher.BeginInvoke(delegate()
        //    //    {
        //    //        txtDebug.Text = "Captured image available, saving picture.";
        //    //    });

        //    //    // Save picture to the library camera roll.
        //    //    library.SavePictureToCameraRoll(fileName, e.ImageStream);

        //    //    // Write message to the UI thread.
        //    //    Deployment.Current.Dispatcher.BeginInvoke(delegate()
        //    //    {
        //    //        txtDebug.Text = "Picture has been saved to camera roll.";

        //    //    });

        //    //    // Set the position of the stream back to start
        //    //    e.ImageStream.Seek(0, SeekOrigin.Begin);

        //    //    // Save picture as JPEG to isolated storage.
        //    //    using (IsolatedStorageFile isStore = IsolatedStorageFile.GetUserStoreForApplication())
        //    //    {
        //    //        using (IsolatedStorageFileStream targetStream = isStore.OpenFile(fileName, FileMode.Create, FileAccess.Write))
        //    //        {
        //    //            // Initialize the buffer for 4KB disk pages.
        //    //            byte[] readBuffer = new byte[4096];
        //    //            int bytesRead = -1;

        //    //            // Copy the image to isolated storage.
        //    //            while ((bytesRead = e.ImageStream.Read(readBuffer, 0, readBuffer.Length)) > 0)
        //    //            {
        //    //                targetStream.Write(readBuffer, 0, bytesRead);
        //    //            }
        //    //        }
        //    //    }

        //    //    // Write message to the UI thread.
        //    //    Deployment.Current.Dispatcher.BeginInvoke(delegate()
        //    //    {
        //    //        txtDebug.Text = "Picture has been saved to isolated storage.";

        //    //    });
        //    //}
        //    //finally
        //    //{
        //    //    // Close image stream
        //    //    e.ImageStream.Close();
        //    //}

        //}

        private void SendImageCompleted(IAsyncResult ar)
        {
            try
            {
                phoneService.EndSendImage(ar);
            }
            catch (Exception e)
            {
                Delegate d = new Func <Exception, string>(exc => txtDebug.Text = exc.Message);
                this.Dispatcher.BeginInvoke(d, e);
            }
            finally
            {
                lastSendImageTick  = Environment.TickCount;
                sendImageInterval -= 100;
                Dispatcher.BeginInvoke(() => { txtDebug.Text = "sendImageInterval=" + sendImageInterval; });
            }
        }