/*!
* Events are moved from the Vixen SharedWorld to the C#
* application through a shared event queue. Events
* observed and handled by the Vixen SharedWorld object
* are put into a queue. The Canvas3D class maintains a separate
* thread which waits on this queue and converts any Vixen Events
* it finds into C# Vixen.EventArgs and raises a .NET event
* which can be handled in the C# application.
*/
protected void EventLoop()
{
_stopevents = false;
if ((_world == null) || (_scene == null))
{
return;
}
if ((_world.FileName != null) && SharedWorld.DoAsyncLoad)
{
_world.LoadAsync(_world.FileName, _scene);
}
while (!_stopevents)
{
try
{
Event ev = _world.NextEvent();
if (ev == null)
{
break;
}
string name = ev.GetName();
EventArgs args = new VixenEventArgs(ev, RoutedVixenEvent);
object[] list = { this, args };
VixenEventHandler handler = new VixenEventHandler(PostVixenEvent);
//SharedWorld.Trace("Canvas3D:Event " + name + "\n");
Dispatcher.BeginInvoke(handler, list);
}
catch (Exception ex)
{
SharedWorld.LogError("exception in event loop " + ex.Message);
}
}
_world.Stop();
}