/// <summary>
/// retrieve the mouse cursor from the rdp session and send it to the browser
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void Page_Load(
object sender,
EventArgs e)
{
// if cookies are enabled, the http session id is added to the http request headers; otherwise, it's added to the http request url
// in both cases, the given http session is automatically bound to the current http context
RemoteSessionManager remoteSessionManager = null;
try
{
// retrieve the remote session manager for the current http session
remoteSessionManager = (RemoteSessionManager)HttpContext.Current.Session[HttpSessionStateVariables.RemoteSessionManager.ToString()];
}
catch (Exception exc)
{
System.Diagnostics.Trace.TraceError("Failed to retrieve the remote session manager for the http session {0}, ({1})", HttpContext.Current.Session.SessionID, exc);
return;
}
try
{
// retrieve params
var imgIdx = int.Parse(HttpContext.Current.Request.QueryString["imgIdx"]);
// retrieve image data
var img = remoteSessionManager.GetCachedUpdate(imgIdx);
var imgData = img != null?Convert.FromBase64String(img.Base64Data) : null;
if (imgData != null && imgData.Length > 0)
{
var imgStream = new MemoryStream(imgData);
var bitmap = new Bitmap(imgStream);
//var cursor = CreateCursor(bitmap, img.PosX, img.PosY);
// TODO: find a way to save a cursor as .cur file? using .ico instead...
var icon = Icon.FromHandle(bitmap.GetHicon());
// TODO: IE
// IE does support .ico files for cursors, but an icon doesn't have an hotspot and there is no way to define it in IE...
// problem is, the user thinks clicking a specific spot and, in fact, isn't...
// also, the cursor blinks when it changes, and stays invisible as long as the user doesn't move the mouse...
// for these reasons, IE won't display custom cursors...
var iconStream = new MemoryStream();
icon.Save(iconStream);
var iconData = iconStream.ToArray();
// write the output
HttpContext.Current.Response.OutputStream.Write(iconData, 0, iconData.Length);
}
}
catch (Exception exc)
{
System.Diagnostics.Trace.TraceError("Failed to get mouse cursor, remote session {0} ({1})", remoteSessionManager.RemoteSession.Id, exc);
}
}
/// <summary>
/// retrieve an image update (region or fullscreen) from the rdp session and send it to the browser
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void Page_Load(
object sender,
EventArgs e)
{
// if cookies are enabled, the http session id is added to the http request headers; otherwise, it's added to the http request url
// in both cases, the given http session is automatically bound to the current http context
RemoteSessionManager remoteSessionManager = null;
try
{
// retrieve the remote session manager for the current http session
remoteSessionManager = (RemoteSessionManager)HttpContext.Current.Session[HttpSessionStateVariables.RemoteSessionManager.ToString()];
}
catch (Exception exc)
{
System.Diagnostics.Trace.TraceError("Failed to retrieve the remote session manager for the http session {0}, ({1})", HttpContext.Current.Session.SessionID, exc);
return;
}
try
{
// retrieve params
var imgIdx = int.Parse(HttpContext.Current.Request.QueryString["imgIdx"]);
// retrieve image data
var img = remoteSessionManager.GetCachedUpdate(imgIdx);
var imgData = img != null?Convert.FromBase64String(img.Base64Data) : null;
if (imgData != null && imgData.Length > 0)
{
// write the output
HttpContext.Current.Response.OutputStream.Write(imgData, 0, imgData.Length);
}
}
catch (Exception exc)
{
System.Diagnostics.Trace.TraceError("Failed to get display update, remote session {0} ({1})", remoteSessionManager.RemoteSession.Id, exc);
}
}
