I am using SimConnect in my application to read data from FSX; pitch, bank, etc. This all works fine. Now I want to use the Event IDs to trigger FSX. I am having success with some IDs but others do nothing?? Is anyone aware of this unreliability. Specifically I am trying to trigger the Garmin G1000 PFD while flying the Cessna C172SP Skyhawk G1000. I can get G1000_PFD_ZOOMIN_BUTTON and G1000_PFD_ZOOMOUT_BUTTON to work but nothing else in that G1000 Keys group? I am able to get several other Event IDs to work (COM_STBY_RADIO_SWAP,COM_RADIO_WHOLE_DEC, COM_RADIO_WHOLE_INC, COM_RADIO_FRACT_DEC, COM_RADIO_FRACT_INC,HEADING_BUG_DEC,HEADING_BUG_INC, ....) but some I really need don't (TOGGLE_DME, FREQUENCY_SWAP). When I click on the G1000 in the game (even while Paused) the FPL button displays the Flight Plan page so why doesn't G1000_PFD_FLIGHTPLAN_BUTTON event do the same thing? Am I wasting my time trying to get this to work? My code is fine, I assume, since many of the events do work as expected. Any insight would be greatly appreciated. Thanks.