public void AssociateRequest( Byte logicalChannel, Byte channelPage, MacAddress coordAddr, UInt16 coordPanId, CapabilityInformation capability, SecurityOptions securityOptions, AssociateConfirmHandler handler) { TaskAssociateRequest task = new TaskAssociateRequest( logicalChannel, channelPage, coordAddr, coordPanId, capability, securityOptions, handler); if (!_taskQueue.Add(task) && handler != null) { handler.Invoke(this, State.cReservedShortAddr, MacEnum.Congested, new SecurityOptions()); } }