Managed C++/CLI

George L. Jackson wrote:

The "*" is for unmanaged code.

Marshal::PtrToStructure(...);<br />
Marshal::StructureToPtr(...);

public delegate void SensorUpdatedEventHandler (Object^, UpdateEventArgs^);
 
public ref class SensorWebLink : ...
{
  ...
 
  SensorWeblink()
  {
    _RemotelyInvokedDelegates = nullptr;
  }
 
  ...
  ...
 
  private:
 
   static  SensorUpdatedEventHandler^  _RemotelyInvokedDelegates;
  
  public:		
		
    event SensorUpdatedEventHandler^  SensorUpdatedEvent
    {		
      void add(SensorUpdatedEventHandler^ pDelegate) 
      {
        _RemotelyInvokedDelegates += pDelegate;
      }
 
     void remove(SensorUpdatedEventHandler^ pDelegate) 
     {
       _RemotelyInvokedDelegates -= pDelegate;
     }
 
     void raise(Object^ pObject, UpdateEventArgs^ pEvtArgs) 
     {
       if (_RemotelyInvokedDelegates) 
       {
         _RemotelyInvokedDelegates->Invoke(pObject, pEvtArgs);
       }
     }
   };
 
   void RaiseSensorUpdatedEvent (UpdateEventArgs^ pEvtArgs);
};
  
// now i can easily access the invocation list
  
void SensorWebLink::RaiseSensorUpdatedEvent(UpdateEventArgs^ pEvtArgs)
{
  if(_RemotelyInvokedDelegates == nullptr)
  {
    Console::WriteLine("No listeners");
  }
  else
  {
    Console::WriteLine("Number of Listeners: {0}",_RemotelyInvokedDelegates->GetInvocationList()->Length);
    SensorUpdatedEventHandler^ temporaryHandler = nullptr; 
     
    for each( Delegate^ del in _RemotelyInvokedDelegates->GetInvocationList())
    {
       try
       {
         temporaryHandler = (SensorUpdatedEventHandler^) del;
         temporaryHandler(this, pEvtArgs);
       }
       catch( Exception^ e )
       {
         Console::WriteLine( e->ToString() );
         _RemotelyInvokedDelegates -= temporaryHandler;
       }
    }
  }
}

char tempbuf[128];<br />
sprintf( templog, "\t%s ->Now Playing FullScreen::%s::%s", <br />
         _strtime(tmpbuf));