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‎.gitignore‎

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.env
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build-vfrmap-upload.sh
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vfrmap.exe
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request_data.exe
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_vendor

‎build-vfrmap.sh‎

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#!/bin/bash
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set -e
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go generate github.com/lian/msfs2020-go/simconnect
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go generate github.com/lian/msfs2020-go/vfrmap
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build_time=$(date -u +'%Y-%m-%d_%T')
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set +e
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build_version=$(git describe --tags)
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set -e
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[ -f .env ] && source .env
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GOOS=windows GOARCH=amd64 go build -ldflags "-X main.mapApiKeyDefault=$MAP_API_KEY -X main.buildVersion=$build_version -X main.buildTime=$build_time" -v github.com/lian/msfs2020-go/vfrmap

‎examples/request_data/main.go‎

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package main
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import (
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"fmt"
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"time"
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"github.com/lian/msfs2020-go/simconnect"
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)
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// ported from: MSFS-SDK/Samples/SimConnectSamples/RequestData/RequestData.cpp
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// build: GOOS=windows GOARCH=amd64 go build github.com/lian/msfs2020-go/examples/request_data
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type Report struct {
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simconnect.RecvSimobjectDataByType
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Title [256]byte
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Kohlsman float64
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Altitude float64
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Latitude float64
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Longitude float64
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}
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func main() {
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s, err := simconnect.New("Request Data")
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if err != nil {
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panic(err)
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}
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fmt.Println("Connected to Flight Simulator!")
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defineID := simconnect.DWORD(0)
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s.AddToDataDefinition(defineID, "Title", "", simconnect.DATATYPE_STRING256)
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s.AddToDataDefinition(defineID, "Kohlsman setting hg", "inHg", simconnect.DATATYPE_FLOAT64)
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s.AddToDataDefinition(defineID, "Plane Altitude", "feet", simconnect.DATATYPE_FLOAT64)
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s.AddToDataDefinition(defineID, "Plane Latitude", "degrees", simconnect.DATATYPE_FLOAT64)
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s.AddToDataDefinition(defineID, "Plane Longitude", "degrees", simconnect.DATATYPE_FLOAT64)
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fmt.Println("SubscribeToSystemEvent")
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eventSimStartID := simconnect.DWORD(0)
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s.SubscribeToSystemEvent(eventSimStartID, "SimStart")
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requestID := simconnect.DWORD(0)
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s.RequestDataOnSimObjectType(requestID, defineID, 0, simconnect.SIMOBJECT_TYPE_USER)
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for {
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ppData, r1, err := s.GetNextDispatch()
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if r1 < 0 {
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if uint32(r1) == simconnect.E_FAIL {
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// skip error, means no new messages?
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continue
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} else {
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panic(fmt.Errorf("GetNextDispatch error: %d %s", r1, err))
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}
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}
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recvInfo := *(*simconnect.Recv)(ppData)
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//fmt.Println(ppData, pcbData, recvInfo)
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switch recvInfo.ID {
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case simconnect.RECV_ID_EXCEPTION:
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recvErr := *(*simconnect.RecvException)(ppData)
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fmt.Printf("SIMCONNECT_RECV_ID_EXCEPTION %#v\n", recvErr)
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case simconnect.RECV_ID_OPEN:
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recvOpen := *(*simconnect.RecvOpen)(ppData)
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fmt.Println("SIMCONNECT_RECV_ID_OPEN", fmt.Sprintf("%s", recvOpen.ApplicationName))
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//spew.Dump(recvOpen)
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case simconnect.RECV_ID_EVENT:
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recvEvent := *(*simconnect.RecvEvent)(ppData)
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fmt.Println("SIMCONNECT_RECV_ID_EVENT")
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//spew.Dump(recvEvent)
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switch recvEvent.EventID {
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case eventSimStartID:
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fmt.Println("SimStart Event")
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default:
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fmt.Println("unknown SIMCONNECT_RECV_ID_EVENT", recvEvent.EventID)
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}
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case simconnect.RECV_ID_SIMOBJECT_DATA_BYTYPE:
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recvData := *(*simconnect.RecvSimobjectDataByType)(ppData)
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fmt.Println("SIMCONNECT_RECV_SIMOBJECT_DATA_BYTYPE")
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switch recvData.RequestID {
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case requestID:
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report := *(*Report)(ppData)
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fmt.Printf("REPORT: %s: GPS: %.6f,%.6f Altitude: %.0f\n", report.Title, report.Latitude, report.Longitude, report.Altitude)
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s.RequestDataOnSimObjectType(requestID, defineID, 0, simconnect.SIMOBJECT_TYPE_USER)
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}
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default:
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fmt.Println("recvInfo.dwID unknown", recvInfo.ID)
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}
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time.Sleep(500 * time.Millisecond)
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}
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fmt.Println("close")
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if err = s.Close(); err != nil {
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panic(err)
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}
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}

‎go.mod‎

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module github.com/lian/msfs2020-go
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go 1.14
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require github.com/gorilla/websocket v1.4.2

‎go.sum‎

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github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
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github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=

‎simconnect/bindata.go‎

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‎simconnect/defs.go‎

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package simconnect
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// MSFS-SDK/SimConnect\ SDK/include/SimConnect.h
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const E_FAIL uint32 = 0x80004005
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type DWORD uint32
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const UNUSED DWORD = 0xffffffff // special value to indicate unused event, ID
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const (
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DATATYPE_INVALID DWORD = iota // invalid data type
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DATATYPE_INT32 // 32-bit integer number
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DATATYPE_INT64 // 64-bit integer number
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DATATYPE_FLOAT32 // 32-bit floating-point number (float)
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DATATYPE_FLOAT64 // 64-bit floating-point number (double)
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DATATYPE_STRING8 // 8-byte string
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DATATYPE_STRING32 // 32-byte string
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DATATYPE_STRING64 // 64-byte string
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DATATYPE_STRING128 // 128-byte string
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DATATYPE_STRING256 // 256-byte string
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DATATYPE_STRING260 // 260-byte string
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DATATYPE_STRINGV // variable-length string
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DATATYPE_INITPOSITION // see SIMCONNECT_DATA_INITPOSITION
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DATATYPE_MARKERSTATE // see SIMCONNECT_DATA_MARKERSTATE
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DATATYPE_WAYPOINT // see SIMCONNECT_DATA_WAYPOINT
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DATATYPE_LATLONALT // see SIMCONNECT_DATA_LATLONALT
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DATATYPE_XYZ // see SIMCONNECT_DATA_XYZ
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DATATYPE_MAX // enum limit
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)
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const (
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RECV_ID_NULL DWORD = iota
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RECV_ID_EXCEPTION
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RECV_ID_OPEN
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RECV_ID_QUIT
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RECV_ID_EVENT
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RECV_ID_EVENT_OBJECT_ADDREMOVE
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RECV_ID_EVENT_FILENAME
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RECV_ID_EVENT_FRAME
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RECV_ID_SIMOBJECT_DATA
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RECV_ID_SIMOBJECT_DATA_BYTYPE
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RECV_ID_WEATHER_OBSERVATION
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RECV_ID_CLOUD_STATE
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RECV_ID_ASSIGNED_OBJECT_ID
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RECV_ID_RESERVED_KEY
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RECV_ID_CUSTOM_ACTION
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RECV_ID_SYSTEM_STATE
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RECV_ID_CLIENT_DATA
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RECV_ID_EVENT_WEATHER_MODE
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RECV_ID_AIRPORT_LIST
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RECV_ID_VOR_LIST
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RECV_ID_NDB_LIST
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RECV_ID_WAYPOINT_LIST
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RECV_ID_EVENT_MULTIPLAYER_SERVER_STARTED
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RECV_ID_EVENT_MULTIPLAYER_CLIENT_STARTED
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RECV_ID_EVENT_MULTIPLAYER_SESSION_ENDED
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RECV_ID_EVENT_RACE_END
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RECV_ID_EVENT_RACE_LAP
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RECV_ID_PICK
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)
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const (
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SIMOBJECT_TYPE_USER DWORD = iota
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SIMOBJECT_TYPE_ALL
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SIMOBJECT_TYPE_AIRCRAFT
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SIMOBJECT_TYPE_HELICOPTER
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SIMOBJECT_TYPE_BOAT
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SIMOBJECT_TYPE_GROUND
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)
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type Recv struct {
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Size DWORD
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Version DWORD
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ID DWORD
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}
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type RecvOpen struct {
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Recv
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ApplicationName [256]byte
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ApplicationVersionMajor DWORD
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ApplicationVersionMinor DWORD
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ApplicationBuildMajor DWORD
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ApplicationBuildMinor DWORD
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SimConnectVersionMajor DWORD
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SimConnectVersionMinor DWORD
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SimConnectBuildMajor DWORD
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SimConnectBuildMinor DWORD
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Reserved1 DWORD
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Reserved2 DWORD
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}
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type RecvEvent struct {
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Recv
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//static const DWORD UNKNOWN_GROUP = DWORD_MAX;
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GroupID DWORD
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EventID DWORD
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Data DWORD // uEventID-dependent context
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}
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type RecvSimobjectData struct {
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Recv
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RequestID DWORD
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ObjectID DWORD
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DefineID DWORD
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Flags DWORD // SIMCONNECT_DATA_REQUEST_FLAG
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entrynumber DWORD // if multiple objects returned, this is number <entrynumber> out of <outof>.
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outof DWORD // note: starts with 1, not 0.
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DefineCount DWORD // data count (number of datums, *not* byte count)
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//SIMCONNECT_DATAV( dwData, dwDefineID, ); // data begins here, dwDefineCount data items
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}
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type RecvSimobjectDataByType struct {
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RecvSimobjectData
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}
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type RecvException struct {
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Recv
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Exception DWORD // see SIMCONNECT_EXCEPTION
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//static const DWORD UNKNOWN_SENDID = 0;
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SendID DWORD // see SimConnect_GetLastSentPacketID
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//static const DWORD UNKNOWN_INDEX = DWORD_MAX;
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Index DWORD // index of parameter that was source of error
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}

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