internal static void StaticDispose(ref EventProxyDescriptor pEPD) { Debug.Assert(((IntPtr)pEPD.m_handle) != IntPtr.Zero, "If this asserts fires: Why is it firing? It might be legal in future."); EventProxyWrapper epw = (EventProxyWrapper)(pEPD.m_handle.Target); ((System.Runtime.InteropServices.GCHandle)(pEPD.m_handle)).Free(); }
/// <summary> /// Create /// </summary> internal static void CreateMediaEventsHelper(MediaPlayer mediaPlayer, out MediaEventsHelper eventsHelper, out SafeMILHandle unmanagedProxy) { eventsHelper = new MediaEventsHelper(mediaPlayer); // Created with ref count = 1. Since this object does not hold on // to the unmanaged proxy, the lifetime is now controlled by whoever // called CreateMediaEventsHelper. unmanagedProxy = EventProxyWrapper.CreateEventProxyWrapper(eventsHelper); }
internal static int RaiseEvent(ref EventProxyDescriptor pEPD, byte[] buffer, uint cb) { EventProxyWrapper target = EventProxyWrapper.FromEPD(ref pEPD); if (target != null) { return(target.RaiseEvent(buffer, cb)); } else { return(NativeMethods.E_HANDLE); } }
internal static SafeMILHandle CreateEventProxyWrapper(IInvokable invokable) { if (invokable == null) { throw new System.ArgumentNullException("invokable"); } SafeMILHandle eventProxy = null; EventProxyWrapper epw = new EventProxyWrapper(invokable); EventProxyDescriptor epd = new EventProxyDescriptor(); epd.pfnDispose = EventProxyStaticPtrs.pfnDispose; epd.pfnRaiseEvent = EventProxyStaticPtrs.pfnRaiseEvent; epd.m_handle = System.Runtime.InteropServices.GCHandle.Alloc(epw, System.Runtime.InteropServices.GCHandleType.Normal); HRESULT.Check(MILCreateEventProxy(ref epd, out eventProxy)); return(eventProxy); }
internal static SafeMILHandle CreateEventProxyWrapper(IInvokable invokable) { if (invokable == null) { throw new System.ArgumentNullException("invokable"); } SafeMILHandle eventProxy = null; EventProxyWrapper epw = new EventProxyWrapper(invokable); EventProxyDescriptor epd = new EventProxyDescriptor(); epd.pfnDispose = EventProxyStaticPtrs.pfnDispose; epd.pfnRaiseEvent = EventProxyStaticPtrs.pfnRaiseEvent; epd.m_handle = System.Runtime.InteropServices.GCHandle.Alloc(epw, System.Runtime.InteropServices.GCHandleType.Normal); HRESULT.Check(MILCreateEventProxy(ref epd, out eventProxy)); return eventProxy; }