/// <summary>
/// this method starts a thread which shows a laserpointer dot on _Process's window on the specified position
/// </summary>
/// <param name="lpinfo"></param>
public void show(LaserPointerInfo lpinfo)
{
//if a overlaywindow is already shown, the thread that runs the current overlaywindow is stopped
if (_active)
{
stop();
}
_active = true;
//start a parameterized thread which shows the laserpointerdot
displaythread = new Thread(new ParameterizedThreadStart(run));
displaythread.Start(lpinfo);
}
private bool _finished = false; //tells if the thread which shows the overlaywindow is finished
/// <summary>
/// this method activates the overlay window for 5 seconds
/// </summary>
/// <param name="lpinfoobj">
/// the object that contains the information where the laserpointerdot is supposed to be shown
/// </param>
void run(object lpinfoobj)
{
LaserPointerInfo lpinfo = (lpinfoobj as LaserPointerInfo);
try
{
if (_Process == null)
{
throw new Exception("Process to display laserpointerdot on is null");
}
//initialize overlaywindow
_Overlay = new OverLayWindow();
_processSharp = new ProcessSharp(_Process, MemoryType.Remote);
_Overlay.active = true;
_Overlay.Initialize(_processSharp.WindowFactory.MainWindow);
_Overlay.Enable(lpinfo.xPercentage, lpinfo.yPercentage);
//put window of _Process in the foreground
SetForegroundWindow(_Process.MainWindowHandle);
DateTime starttime = DateTime.Now; //register the time when this overlay is supposed to start
Stopwatch sw = new Stopwatch();
sw.Start();
//show Window for 5 seconds and as long _active is true
while (_active == true && sw.ElapsedMilliseconds < 5000)
{
_Overlay.Update();
}
sw.Stop();
//disable overlay window
_Overlay.active = false;
_Overlay.Disable();
_Overlay.Dispose();
_finished = true; //this flag tells that the thread ended
}
catch (Exception ex)
{
if (_active)
{
throw new Exception(ex.Message);
}
}
}
/// <summary>
/// this method deserializes the given laserpointerinfo object and initializes a overlaywindow at the position
/// given by the laserpointerinfoobject
/// </summary>
/// <param name="LpInfo"></param>
public void LaserPointerCallBack(string LpInfojson)
{
if (_display_window == null)
{
_display_window = new DisplayWindow(_Process);
}
LaserPointerInfo lpinfo = JsonConvert.DeserializeObject <LaserPointerInfo>(LpInfojson);
try
{
_display_window.show(lpinfo);
}
catch
{
MessageBox.Show("Error: Wasn't able to show the laserpointer, Make sure the Application\n" +
"is running. It is important, that it was running, before the Laserpointer-Object was created!");
return;
}
}