// This event handler deals with Frambebuffer Updates coming from the host. An
        // EncodedRectangle object is passed via the VncEventArgs (actually an IDesktopUpdater
        // object so that *only* Draw() can be called here--Decode() is done elsewhere).
        // The VncClient object handles thread marshalling onto the UI thread.
        protected void VncUpdate(object sender, VncEventArgs e)
        {
            e.DesktopUpdater.Draw(desktop);
            Invalidate(desktopPolicy.AdjustUpdateRectangle(e.DesktopUpdater.UpdateRectangle));

            if (state == RuntimeState.Connected)
            {
                vnc.RequestScreenUpdate(fullScreenRefresh);

                // Make sure the next screen update is incremental
                fullScreenRefresh = false;
            }
        }
Example #2
0
        // This event handler deals with Frambebuffer Updates coming from the host. An
        // EncodedRectangle object is passed via the VncEventArgs (actually an IDesktopUpdater
        // object so that *only* Draw() can be called here--Decode() is done elsewhere).
        // The VncClient object handles thread marshalling onto the UI thread.
        protected void VncUpdate(object sender, VncEventArgs e)
        {
            _dispatcher.BeginInvoke(new Action(() =>
            {
                //e.DesktopUpdater.Draw(desktopBM);
                //iRDF.Source = desktopBM.ToBitmapSource();
                e.DesktopUpdater.Draw(desktopWBM);

                if (state == RuntimeState.Connected)
                {
                    vnc.RequestScreenUpdate(fullScreenRefresh);
                    // Make sure the next screen update is incremental
                    fullScreenRefresh = false;
                }
            }));
        }
Example #3
0
        // This event handler deals with Frambebuffer Updates coming from the host. An
        // EncodedRectangle object is passed via the VncEventArgs (actually an IDesktopUpdater
        // object so that *only* Draw() can be called here--Decode() is done elsewhere).
        // The VncClient object handles thread marshalling onto the UI thread.
        protected void VncUpdate(object sender, VncEventArgs e)
        {
            e.DesktopUpdater.Draw(desktop);

            // Before Invalidating the control, specify the rectangle that needs to be
            // re-painted.  This speeds OnPaint dramatically, since the rest of the
            // screen doesn't need to change.  Also, adjust the invalidated rectangle
            // to accomodate scrolling or centering, since the desktop will either be
            // clipped or centered on the screen.
            int x, y;

            if (ClientSize.Width > desktop.Size.Width)
            {
                int dx = (ClientRectangle.Width - desktop.Width) / 2;
                x = e.DesktopUpdater.UpdateRectangle.X + dx;
            }
            else
            {
                x = e.DesktopUpdater.UpdateRectangle.X + AutoScrollPosition.X;
            }

            if (ClientSize.Height > desktop.Size.Height)
            {
                int dy = (ClientRectangle.Height - desktop.Height) / 2;
                y = e.DesktopUpdater.UpdateRectangle.Y + dy;
            }
            else
            {
                y = e.DesktopUpdater.UpdateRectangle.Y + AutoScrollPosition.Y;
            }

            Rectangle adjusted = new Rectangle(x,
                                               y,
                                               e.DesktopUpdater.UpdateRectangle.Width,
                                               e.DesktopUpdater.UpdateRectangle.Height);

            Invalidate(adjusted);

            if (state == RuntimeState.Connected)
            {
                vnc.RequestScreenUpdate(fullScreenRefresh);

                // Make sure the next screen update is incremental
                fullScreenRefresh = false;
            }
        }