static void OverridePacketLost(GLib.GType gtype, PacketLostNativeDelegate callback) { unsafe { IntPtr *raw_ptr = (IntPtr *)(((long)gtype.GetClassPtr()) + (long)class_abi.GetFieldOffset("packet_lost")); *raw_ptr = Marshal.GetFunctionPointerForDelegate((Delegate)callback); } }
private bool InternalPacketLost(Gst.Event evnt) { PacketLostNativeDelegate unmanaged = null; unsafe { IntPtr *raw_ptr = (IntPtr *)(((long)this.LookupGType().GetThresholdType().GetClassPtr()) + (long)class_abi.GetFieldOffset("packet_lost")); unmanaged = (PacketLostNativeDelegate)Marshal.GetDelegateForFunctionPointer(*raw_ptr, typeof(PacketLostNativeDelegate)); } if (unmanaged == null) { return(false); } bool __result = unmanaged(this.Handle, evnt == null ? IntPtr.Zero : evnt.Handle); return(__result); }