SetDayNight: Set day/night mode

Classes
struct	RI_CSetDayNight
	Data structure for the Request "SetDayNight". More...

Variables
const UINT	RI_MESSAGE_SETDAYNIGHT = RegisterWindowMessage(TEXT("RI_MESSAGE_SETDAYNIGHT"))

Detailed Description

Variable Documentation

const UINT RI_MESSAGE_SETDAYNIGHT = RegisterWindowMessage(TEXT("RI_MESSAGE_SETDAYNIGHT"))

Message ID for the Request "SetDayNight":
RI_MESSAGE_SETDAYNIGHT

Write Memory:

RI_SetDayNight_WriteData(LPARAM id, RI_CSetDayNight data);

Return Values for SetDayNight:

RI_NOERROR = switch Day/Night succeeded

Description:

Switch navigator to Day/Night mode.

Example:

#define USE_LOADLIBRARY
#include "TNSRemoteInterfaceDll.h"

LPARAM GetUniqueID()
{
    //generate unique ID
    static LPARAM id = 0;
    if (++id == 0) ++id; // do not use 0 !!!!!
    return id;
}

inline LRESULT RI_MESSAGE( const UINT request, HWND h_client, LPARAM id )
{
    //check if RI handle is valid
    if ( !IsWindow( RI_GetTNS() ) ) 
        return RI_NAVIGATIONNOTACTIVE;
    //send the request
    PostMessage( RI_GetTNS(), request, WPARAM(h_client), id );
    return RI_NOERROR;
}

LRESULT CDlgMFC_SetDayNight::WindowProc ( UINT  message , WPARAM  wParam , LPARAM  lParam )
{
    //check messages for answer from RI
    if ( message == RI_MESSAGE_SETDAYNIGHT )
    {
        if ( (LRESULT)wParam == RI_NOERROR)
            //switch DayNight success. errorcode (0)
        else if ( (LRESULT)wParam == RI_NAVIGATIONNOTACTIVE)
            //Navigator is not running or the configuration is not complete. errorcode(3)
    }
    return CDialog::WindowProc( message, wParam, lParam );
}

void CDlgMFC_SetDayNight::foo()
{
    //define struct
    RI_CSetDayNight data;
    //copy data
    data.m_bDayNight = true;
    //write data in shared memory
    LPARAM id = GetUniqueID();
    LRESULT sharing_ret = RI_SetDayNight_WriteData( id, data );
    if ( sharing_ret != RI_NOERROR ) 
        return;
    if ( RI_MESSAGE( RI_MESSAGE_SETDAYNIGHT, GetSafeHwnd(), id ) == RI_NOERROR )
        //message sending succeeded
    else
        //navigation software not running
}