SetOffroadNavigationText: relies on information in a text control, and this shows in the navigation on when the application is in offroad mode.

Classes
struct	RI_CSetOffroadNavigationText
	Data structure for the Request "SetOffroadNavigationText". More...

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

Detailed Description

Variable Documentation

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

Message ID for the Request "SetOffroadNavigationText":
RI_MESSAGE_SETOFFROADNAVIGATIONTEXT

Write Memory:

RI_SetOffroadNavigationText_WriteData(LPARAM id, RI_CSetOffroadNavigationText data);

Return Values for SetOffroadNavigationText:

RI_NOERROR = Set offroad navigation text succeeded
RI_NODESC = No text found
RI_NOTADDED = Offroad Navigation text is deactiveted

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_SetOffroadNavigationText::WindowProc ( UINT  message , WPARAM  wParam , LPARAM  lParam )
{
    //check messages for answer from RI
    if ( message == RI_MESSAGE_SETOFFROADNAVIGATIONTEXT )
    {
        if ( (LRESULT)wParam == RI_NOERROR )
        {
            //SetOffroadNavigationText succeeded. 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_SetOffroadNavigationText::foo()
{
    LPARAM id = GetUniqueID();
    
    //define struct
    RI_CSetOffroadNavigationText data;
    wcscpy(data.m_InfoText, "jetzt links halten.");
    data.m_ShowText = true;
    //write data in shared memory
    LRESULT sharing_ret = RI_SetOffroadNavigationText_WriteData( id, data );
        if ( sharing_ret != RI_NOERROR ) return;

    if ( RI_MESSAGE( RI_MESSAGE_SETOFFROADNAVIGATIONTEXT, GetSafeHwnd(), id ) == RI_NOERROR )
                //message sending succeeded
        else
                //navigation software not running
}