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/ Windows 95 API Bible / Windows 95 API Bible 3 Disc Set.iso / Win32 API Bible Book 3 of 3 / CHAPTE10 / DROP / LINE.C < prev    next >
C/C++ Source or Header  |  1996-04-28  |  24KB  |  754 lines
  1.  
  2. #include <windows.h> 
  3. #include <windowsx.h> 
  4. #include "line.h" 
  5. #include "tapi.h"
  6.  
  7. #define BUFSIZE 256
  8. #define APIHIVERSION     0x00010028    /* 1.40 */
  9. #define APILOWVERSION    0x00010000    /* 1.0 */
  10. #define EXTHIVERSION     0x00010005    /* 1.5 */
  11. #define EXTLOWVERSION    0x00000009    /* 0.9 */ 
  12. #define OWNER        0
  13. #define MONITOR      1
  14. #define MAX_CALL        3
  15. #define MAX_LINE        2
  16.  
  17.  
  18. #if defined (WIN32)
  19.     #define IS_WIN32 TRUE
  20. #else
  21.     #define IS_WIN32 FALSE
  22. #endif
  23.  
  24. #define IS_NT      IS_WIN32 && (BOOL)(GetVersion() < 0x80000000)
  25. #define IS_WIN32S  IS_WIN32 && (BOOL)(!(IS_NT) && (LOBYTE(LOWORD(GetVersion()))<4))
  26. #define IS_WIN95   (BOOL)(!(IS_NT) && !(IS_WIN32S)) && IS_WIN32
  27.  
  28. LPCTSTR lpszAppName = "lineDrop";
  29. LPCTSTR lpszTitle   = "lineDrop"; 
  30.  
  31. HINSTANCE hInst;   // current instance
  32. HWND hWnd;         // parent window handle
  33. HWND hListWnd;     // listbox
  34. HDC  hdc;
  35. TEXTMETRIC  tm ;
  36.  
  37. BOOL RegisterWin95( CONST WNDCLASS* lpwc );
  38.  
  39.  
  40. int APIENTRY WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
  41.                       LPTSTR lpCmdLine, int nCmdShow)
  42. {
  43.    MSG      msg;
  44.    WNDCLASS wc;
  45.  
  46.    wc.style         = CS_HREDRAW | CS_VREDRAW;
  47.    wc.lpfnWndProc   = (WNDPROC)WndProc;       
  48.    wc.cbClsExtra    = 0;                      
  49.    wc.cbWndExtra    = 0;                      
  50.    wc.hInstance     = hInstance;              
  51.    wc.hIcon         = LoadIcon (hInstance, lpszAppName); 
  52.    wc.hCursor       = LoadCursor(NULL, IDC_ARROW);
  53.    wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
  54.    wc.lpszMenuName  = lpszAppName;              
  55.    wc.lpszClassName = lpszAppName;              
  56.  
  57.    if ( IS_WIN95 )
  58.    {
  59.       if ( !RegisterWin95( &wc ) )
  60.          return( FALSE );
  61.    }
  62.    else if ( !RegisterClass( &wc ) )
  63.       return( FALSE );
  64.  
  65.    hInst = hInstance; 
  66.  
  67.    hWnd = CreateWindow( lpszAppName, 
  68.                         lpszTitle,    
  69.                         WS_OVERLAPPEDWINDOW, 
  70.                         CW_USEDEFAULT, 0, 
  71.                         CW_USEDEFAULT, 0,  
  72.                         NULL,              
  73.                         NULL,              
  74.                         hInstance,         
  75.                         NULL               
  76.                       );
  77.  
  78.    if ( !hWnd ) 
  79.       return( FALSE );
  80.  
  81.    ShowWindow( hWnd, nCmdShow ); 
  82.    UpdateWindow( hWnd );         
  83.  
  84.    while( GetMessage( &msg, NULL, 0, 0) )   
  85.    {
  86.       TranslateMessage( &msg ); 
  87.       DispatchMessage( &msg );  
  88.    }
  89.  
  90.    return( msg.wParam ); 
  91. }
  92.  
  93.  
  94. BOOL RegisterWin95( CONST WNDCLASS* lpwc )
  95. {
  96.     WNDCLASSEX wcex;
  97.  
  98.    wcex.style         = lpwc->style;
  99.    wcex.lpfnWndProc   = lpwc->lpfnWndProc;
  100.    wcex.cbClsExtra    = lpwc->cbClsExtra;
  101.    wcex.cbWndExtra    = lpwc->cbWndExtra;
  102.    wcex.hInstance     = lpwc->hInstance;
  103.    wcex.hIcon         = lpwc->hIcon;
  104.    wcex.hCursor       = lpwc->hCursor;
  105.    wcex.hbrBackground = lpwc->hbrBackground;
  106.    wcex.lpszMenuName  = lpwc->lpszMenuName;
  107.    wcex.lpszClassName = lpwc->lpszClassName;
  108.  
  109.    // Added elements for Windows 95.
  110.    //...............................
  111.    wcex.cbSize = sizeof(WNDCLASSEX);
  112.    wcex.hIconSm = LoadImage(wcex.hInstance, lpwc->lpszClassName, 
  113.                             IMAGE_ICON, 16, 16,
  114.                             LR_DEFAULTCOLOR );
  115.             
  116.    return RegisterClassEx( &wcex );
  117. }
  118.  
  119. #define CONFCALL    1
  120. #define CONSULT      2
  121.  
  122. enum CallState
  123. {
  124.     Idle,
  125.     Offering,
  126.     Accepted,
  127.     Dialtone,
  128.     Dialing,
  129.     Ringback,
  130.     Busy,
  131.     Special,
  132.     Connected,
  133.     Proceeding,
  134.     Conferenced,
  135.     Onholdconf,
  136.     Disconnected,
  137.     Unknown
  138. };
  139.  
  140. typedef struct tagMYINFO      // general application information
  141. {
  142.     HLINEAPP lineApp;         // instance handle TAPI gives back to us                                                                              through lineInitialize()
  143.     DWORD dwNumDevices;       // number of available devices
  144.     DWORD dwAPIVersion;       // API version the line supports
  145.      DWORD dwExtVersion;           // extended version
  146.     char szLocation[128];     // location        
  147.      char szCallingCard[128];  // calling card being used
  148.     char szAreaCode[4];       // area code       
  149.     char szCountry[128];      // calling card being used
  150. } MYINFO;
  151.  
  152. typedef struct tagLINEINFO  // information on an open line
  153. {
  154.     DWORD dwNumAddress;     // number of available addresses on the line 
  155.     HLINE hLine;            // handle to the line as returned by lineOpen 
  156.      DWORD dwLineID;         // the line ID of this line
  157.     char  szLineName[128];  // the line's name 
  158.  
  159. } MYLINEINFO;
  160.  
  161. typedef struct tagMYCALLINFO  //information on a call                     
  162. {
  163.     
  164. DWORD       eCallState;    // TAPI's line call State, set as user-defined enums
  165. DWORD      dwRequestID;   // requestID returned by async TAPI functions lineMakeCall/lineDropCall
  166. DWORD      dwAddressID;   // the originating address ID of the call being made 
  167. LPCSTR     lpszAddress;    
  168. HLINE     hLine;         // handle to the line 
  169. HCALL        hCall;         // handle to the call 
  170.    
  171. char szDialString[TAPIMAXDESTADDRESSSIZE];  //phone number being dialed
  172. char szDialStringOriginal[TAPIMAXDESTADDRESSSIZE];
  173. char szDialStringCanonical[TAPIMAXDESTADDRESSSIZE];
  174. char szCalledParty[TAPIMAXCALLEDPARTYSIZE]; // name of the party
  175. DWORD dwTranslateResults;
  176.         
  177. } MYCALLINFO;
  178.  
  179. enum CallAction     // Declare enum type CallAction (used in lineSetAppSpecific)
  180. {
  181.    HOLD,            // hold the call
  182.    TRANSFER,        // transfer the call
  183.    REDIRECT,        // redirect the call
  184.    DROP,            // drop the call
  185.    PARK             // park the call
  186. }; 
  187.  
  188. MYINFO myInfo;          //instance of MYINFO structure
  189. MYLINEINFO myLineInfo[MAX_LINE];  //instance of MYLINEINFO structure
  190. MYCALLINFO myCallInfo[MAX_CALL]; //array of MYCALLINFO strcuture
  191.  
  192. LONG lRet;        //return code
  193. char buf[BUFSIZE];    // buffer for debug message
  194.  
  195. DWORD dwLineID = 0;
  196. DWORD i;
  197. LINEEXTENSIONID        ext_id;
  198. LINEDEVCAPS            *plineDevCaps;
  199. LINEADDRESSCAPS        *plineAdddressCaps;
  200. LINEADDRESSSTATUS     *plineAddressStat;
  201. LINECALLINFO            *plineCallInfo;
  202. LINECALLSTATUS         *plineCallStatus;
  203. LINECALLLIST            *plineCallList;
  204. LINEDEVSTATUS           *plineDevStatus;
  205. LINETRANSLATECAPS       *plineTranslateCaps;
  206. LINETRANSLATEOUTPUT  *plineTranslateOutput;
  207. LINECALLPARAMS           *plineCallParams;
  208. LINEDEVSTATUS           *plineDevStatus;
  209. LINEFORWARDLIST        *plineForwardList;
  210. LINETRANSLATECAPS       *plineTranslateCaps;
  211. LINEREQMAKECALL       lineReqMakeCall;
  212. VARSTRING               *pDeviceConfig;
  213. VARSTRING               *pDeviceId;
  214. VARSTRING               *pNonDirAddress;
  215.  
  216. LPLINELOCATIONENTRY  lineLocEntry;
  217. LPLINECARDENTRY        lineCardEntry;
  218. LINECOUNTRYLIST         *plineCountryList;
  219. LPLINECOUNTRYENTRY   lineCE;
  220.  
  221. LPSTR                lpData;
  222.  
  223. HICON                hIcon = NULL;        //used in lineGetID();
  224. DWORD                dwNumRings;    //used in lineGetNumRings();
  225. HCALL                hConsultCall; //handle to consultation linePrepareAddToConference, SetupConference
  226. HCALL                hConfCall; //handle to consultation linePrepareAddToConference, SetupConference   
  227. HCALL                hParkedCall;
  228.  
  229. DWORD                dwCompletionID;  //used in lineCompleteCall()
  230.  
  231. char                szName[128];
  232. char                szNumber[128];
  233. char                szDigits[128];
  234. char                szDevConfig[128];
  235.  
  236. LONG lRet;
  237. char buf[BUFSIZE];
  238.  
  239. LRESULT CALLBACK WndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
  240. {
  241.    switch( uMsg )
  242.    {
  243.       case WM_COMMAND :
  244.          switch( LOWORD( wParam ) )
  245.          {
  246.             case IDM_RUN :
  247.                DialogBox( hInst, "IDD_DIALNUM", hWnd, (DLGPROC)Dial );
  248.                break;                      
  249.             
  250.             case IDM_ABOUT :
  251.             {
  252.                 DialogBox( hInst, "AboutBox", hWnd, (DLGPROC)About );
  253.                break;
  254.             }
  255.  
  256.             case IDM_EXIT :
  257.             {
  258.                for (i = 0; i < myInfo.dwNumDevices; i++)
  259.                        lineClose(myLineInfo[i].hLine);
  260.                     lineShutdown(myInfo.lineApp);
  261.                DestroyWindow( hWnd );
  262.                break;
  263.             }
  264.             }                  
  265.                  
  266.          break;
  267.  
  268.       case WM_CREATE :
  269.       {
  270.          hdc = GetDC (hWnd) ;
  271.          GetTextMetrics (hdc, &tm) ;
  272.          ReleaseDC (hWnd, hdc) ;
  273.  
  274.          hListWnd = CreateWindowEx( 0, "listbox", 
  275.                         " ",    
  276.                         WS_CHILD | WS_VISIBLE,  
  277.                         tm.tmAveCharWidth, tm.tmHeight * 3, 
  278.                         tm.tmAveCharWidth * 16 +
  279.                                    GetSystemMetrics (SM_CXVSCROLL), 
  280.                         tm.tmHeight * 5,  
  281.                         hWnd,              
  282.                         NULL,              
  283.                         hInst,         
  284.                         NULL               
  285.                         );
  286.  
  287.          
  288.          //lineInitialize
  289.             //...............................................
  290.          lRet = lineInitialize(&myInfo.lineApp, hInst, lineCallback, NULL, &myInfo.dwNumDevices);
  291.          if (lRet == 0) 
  292.          {
  293.             wsprintf (buf, "lineInitialize suceeded!");
  294.               SendMessage(hListWnd, LB_INSERTSTRING, (WPARAM) -1, (LONG) (LPSTR) buf) ;
  295.            }
  296.          else 
  297.           {
  298.                wsprintf ( buf,"lineInitialize failed, err=x%lx",lRet);
  299.                SendMessage(hListWnd, LB_INSERTSTRING, (WPARAM) -1, (LONG) (LPSTR) buf) ;
  300.                lineError(lRet);
  301.                break;
  302.          }                    
  303.          
  304.          //lineNegotiateAPIVersion
  305.           //...............................................
  306.          lRet = lineNegotiateAPIVersion(myInfo.lineApp, 0, APILOWVERSION, APIHIVERSION, 
  307.                                            &myInfo.dwAPIVersion, &ext_id);
  308.          if (lRet == 0)                        
  309.          {
  310.             wsprintf (buf, "lineNegotiateAPIVersion suceeded!");
  311.               SendMessage(hListWnd, LB_INSERTSTRING, (WPARAM) -1, (LONG) (LPSTR) buf) ;
  312.          }
  313.          else 
  314.           {
  315.                wsprintf (buf, "lineNegotiateAPIVersion failed, err=x%lx",
  316.                            lRet);
  317.                SendMessage(hListWnd, LB_INSERTSTRING, (WPARAM) -1, (LONG) (LPSTR) buf) ;
  318.                lineError(lRet);
  319.                lineShutdown (myInfo.lineApp);
  320.             break;
  321.          }
  322.  
  323.           //lineNegotiateExtVersion
  324.           //...............................................
  325.          lRet = lineNegotiateExtVersion(myInfo.lineApp, 0, myInfo.dwAPIVersion, EXTLOWVERSION, 
  326.                                            EXTHIVERSION, &myInfo.dwExtVersion);
  327.          if (lRet == 0)                        
  328.          {
  329.             wsprintf (buf, "lineNegotiateExtVersion suceeded!");
  330.             SendMessage(hListWnd, LB_INSERTSTRING, (WPARAM) -1, (LONG) (LPSTR) buf) ;
  331.  
  332.          }
  333.           else 
  334.           {
  335.                wsprintf (buf, "lineNegotiateExtVersion failed, err=x%lx",
  336.                      lRet);
  337.               SendMessage(hListWnd, LB_INSERTSTRING, (WPARAM) -1, (LONG) (LPSTR) buf) ;
  338.               lineError(lRet);
  339.       
  340.          }
  341.  
  342.           //lineGetDevCaps
  343.           //for each line device, get capabilities until we find one that supports
  344.          //interactive voice 
  345.           //...............................................
  346.          plineDevCaps = (LINEDEVCAPS *) calloc (1, sizeof(LINEDEVCAPS)+1000);
  347.          plineDevCaps->dwTotalSize = sizeof(LINEDEVCAPS) + 1000;
  348.          for (i = 0; i < myInfo.dwNumDevices; i++)
  349.          {
  350.             lineGetDevCaps(myInfo.lineApp, i, myInfo.dwAPIVersion, 0, plineDevCaps);
  351.             if (plineDevCaps->dwMediaModes & LINEMEDIAMODE_INTERACTIVEVOICE) 
  352.             {
  353.                
  354.                myLineInfo[i].dwNumAddress = plineDevCaps->dwNumAddresses;
  355.                   myLineInfo[i].dwLineID = i;
  356.                    if (plineDevCaps->dwLineNameSize > 0)
  357.                           strcpy(myLineInfo[i].szLineName,((LPSTR)(plineDevCaps)+plineDevCaps->dwLineNameOffset));
  358.              }
  359.           }
  360.  
  361.          //lineOpen
  362.           //................................................................
  363.           lRet = lineOpen(myInfo.lineApp,myLineInfo[OWNER].dwLineID,&myLineInfo[OWNER].hLine,
  364.                            myInfo.dwAPIVersion,0,(DWORD)lineCallback, LINECALLPRIVILEGE_NONE,
  365.                             LINEMEDIAMODE_DATAMODEM, NULL);
  366.           if (lRet == 0)
  367.           {
  368.             wsprintf (buf, "lineOpen suceeded!");
  369.             SendMessage(hListWnd, LB_INSERTSTRING, (WPARAM) -1, (LONG) (LPSTR) buf) ;         }
  370.            else 
  371.            {
  372.                wsprintf ( buf,"lineOpen failed, err=x%lx", lRet);
  373.                SendMessage(hListWnd, LB_INSERTSTRING, (WPARAM) -1, (LONG) (LPSTR) buf) ;
  374.                lineError(lRet);
  375.           }
  376.        
  377.          break;
  378.       }
  379.       
  380.       case WM_SIZE:
  381.           MoveWindow(hListWnd,0, 0, LOWORD(lParam), HIWORD(lParam), TRUE);
  382.          break;
  383.  
  384.       case WM_DESTROY :
  385.               PostQuitMessage(0);
  386.               break;
  387.  
  388.       default :
  389.             return( DefWindowProc( hWnd, uMsg, wParam, lParam ) );
  390.    }
  391.  
  392.    return( 0L );
  393. }
  394.  
  395.  
  396.  
  397.  
  398. /****************************************************************************
  399.     FUNCTION: lineCallback
  400.     PURPOSE:  callback function handles line events
  401. ****************************************************************************/
  402. LRESULT CALLBACK lineCallback (DWORD dwDevice, DWORD dwMsg,
  403.                                        DWORD dwCallbackInst, DWORD dwParam1,
  404.                                        DWORD dwParam2,DWORD dwParam3)
  405. {
  406.    switch (dwMsg)
  407.    {
  408.       case LINE_CALLSTATE:
  409.       {                                                        
  410.          for (i = 0; i < MAX_CALL; i++)
  411.          {
  412.             if (dwDevice = (DWORD) myCallInfo[i].hCall) 
  413.                switch (dwParam1)
  414.                {
  415.                   case LINECALLSTATE_CONNECTED:
  416.                      myCallInfo[i].eCallState = Connected;
  417.                      // lineDrop
  418.                      //................
  419.                      lRet = lineDrop(myCallInfo[i].hCall,NULL, 0);
  420.                      if (lRet > 0)
  421.                      {
  422.                         wsprintf (buf, "lineDrop proceeding!");
  423.                         SendMessage(hListWnd, LB_INSERTSTRING, (WPARAM) -1, (LONG) (LPSTR) buf) ;               
  424.                      }
  425.                      else 
  426.                      {
  427.                         wsprintf ( buf,"lineDrop failed,err=x%lx", lRet);
  428.                         SendMessage(hListWnd, LB_INSERTSTRING, (WPARAM) -1, (LONG) (LPSTR) buf) ;               
  429.                         lineError(lRet);
  430.                      }
  431.                      break;
  432.                
  433.                   case LINECALLSTATE_OFFERING:
  434.                      myCallInfo[i].eCallState = Offering;
  435.                      break;
  436.                
  437.                         case LINECALLSTATE_ACCEPTED:
  438.                            myCallInfo[i].eCallState = Accepted;
  439.                            break;
  440.                     
  441.                        case LINECALLSTATE_DIALTONE:
  442.                            myCallInfo[i].eCallState = Dialtone;
  443.                      break;
  444.                     
  445.                        case LINECALLSTATE_DIALING:
  446.                            myCallInfo[i].eCallState = Dialing;
  447.                            break;
  448.                   
  449.                      case LINECALLSTATE_RINGBACK:
  450.                            myCallInfo[i].eCallState = Ringback;
  451.                            break;
  452.             
  453.                        case LINECALLSTATE_BUSY:
  454.                            myCallInfo[i].eCallState = Busy;
  455.                            break;
  456.             
  457.                        case LINECALLSTATE_SPECIALINFO:
  458.                            myCallInfo[i].eCallState = Special;
  459.                           break;
  460.                      
  461.                      case LINECALLSTATE_PROCEEDING:
  462.                            myCallInfo[i].eCallState = Proceeding;
  463.                           break;
  464.             
  465.                        case LINECALLSTATE_CONFERENCED:
  466.                            myCallInfo[i].eCallState = Conferenced;
  467.                           break;
  468.             
  469.                        case LINECALLSTATE_ONHOLDPENDCONF:
  470.                            break;
  471.                 
  472.                   case LINECALLSTATE_DISCONNECTED:
  473.                            myCallInfo[i].eCallState = Disconnected;
  474.                           break;
  475.             
  476.                        case LINECALLSTATE_UNKNOWN:
  477.                            myCallInfo[i].eCallState = Unknown;
  478.                           break;
  479.        
  480.              }
  481.           }
  482.        }
  483.  
  484.        case LINE_MONITORMEDIA:
  485.            break;
  486.  
  487.        case LINE_MONITORDIGITS:
  488.           break;
  489.  
  490.          case LINE_MONITORTONE:
  491.           break;
  492.    
  493.        //error handling for functions completed asynchronously
  494.         //.....................................................
  495.        case LINE_REPLY:
  496.         {
  497.             for (i = 0; i < MAX_CALL; i++)
  498.            {
  499.                 if (dwParam1 = myCallInfo[i].dwRequestID)
  500.                {
  501.                    if (dwParam2 != 0)
  502.                    {
  503.                        lineError((LONG) dwParam2);
  504.                        break;
  505.                    }
  506.                }
  507.            }
  508.         break;
  509.         }
  510.  
  511.         case LINE_GENERATE:
  512.           break;
  513.      
  514.        case LINE_REQUEST:
  515.          break;
  516.  
  517.         case LINE_GATHERDIGITS:
  518.            break;
  519.    }
  520.  
  521.    return (TRUE);
  522. } 
  523.  
  524.  
  525. /****************************************************************************
  526.     FUNCTION: lineError
  527.     PURPOSE:  line error messages
  528. ****************************************************************************/
  529. void lineError (LONG lrc)
  530. {
  531.  switch (lrc) {
  532.     case LINEERR_INVALAPPHANDLE:
  533.        MessageBox (hWnd, "Invalid app handle.", "", MB_OK);
  534.        break;
  535.     case LINEERR_BADDEVICEID:
  536.        MessageBox (hWnd,"The specified line device ID is out of range.", "", 
  537.                    MB_OK);
  538.        break;
  539.     case LINEERR_INCOMPATIBLEAPIVERSION:
  540.        MessageBox (hWnd, "Incompatible API version.", "", MB_OK);
  541.        break;
  542.     
  543.     case LINEERR_ADDRESSBLOCKED:
  544.        MessageBox (hWnd, "Address was blocked.", "", MB_OK);
  545.        break;
  546.  
  547.     case LINEERR_BEARERMODEUNAVAIL:
  548.        MessageBox (hWnd, "Bearer Mode Unavailable.", "", MB_OK);
  549.        break;
  550.  
  551.     case LINEERR_CALLUNAVAIL:
  552.        MessageBox (hWnd, "Call appearances in use..", "", MB_OK);
  553.        break;
  554.  
  555.     case LINEERR_INUSE:
  556.        MessageBox (hWnd, "Line in Use.", "", MB_OK);
  557.        break;
  558.     
  559.     case LINEERR_INVALADDRESS:
  560.        MessageBox (hWnd, "Invalid Address.", "", MB_OK);
  561.        break;
  562.  
  563.     case LINEERR_INVALADDRESSID:
  564.        MessageBox (hWnd, "Invalid Address ID.", "", MB_OK);
  565.        break;
  566.  
  567.     case LINEERR_INVALCALLPARAMS:
  568.        MessageBox (hWnd, "Invalid Address ID.", "", MB_OK);
  569.        break;
  570.      
  571.     case LINEERR_INCOMPATIBLEEXTVERSION:
  572.        MessageBox (hWnd, "Incompatible extension version.","", MB_OK);
  573.        break;
  574.     case LINEERR_NOMEM:
  575.        MessageBox (hWnd, "No memory","", MB_OK);
  576.        break;
  577.     case LINEERR_NODRIVER:
  578.        MessageBox (hWnd, "No driver loaded", "", MB_OK);
  579.        break;
  580.     case LINEERR_RESOURCEUNAVAIL:
  581.        MessageBox (hWnd, "Resource overcommittment", "", MB_OK);
  582.        break;
  583.     case LINEERR_INVALPRIVSELECT:
  584.        MessageBox (hWnd, "Requested invalid priviledges", "", MB_OK);
  585.        break;
  586.     case LINEERR_INVALMEDIAMODE:
  587.        MessageBox (hWnd, "Requested invalid media mode", "", MB_OK);
  588.        break;
  589.     case LINEERR_LINEMAPPERFAILED:
  590.        MessageBox (hWnd, "Line mapper failed", "", MB_OK);
  591.        break;
  592.     case LINEERR_INVALPOINTER:
  593.        MessageBox (hWnd, "The specified pointer parameter is invalid.",
  594.                    "", MB_OK);
  595.        break;
  596.     case LINEERR_OPERATIONFAILED:
  597.        MessageBox (hWnd, "Operation failed.", "", MB_OK);
  598.        break;
  599.     case LINEERR_INVALLINEHANDLE:
  600.        MessageBox (hWnd, "Invalid line handle", "", MB_OK);
  601.        break;
  602.     case LINEERR_INVALCALLHANDLE:
  603.        MessageBox (hWnd, "Invalid call handle", "", MB_OK);
  604.        break;
  605.     case LINEERR_INVALCALLSELECT:
  606.        MessageBox (hWnd, "Invalid call selection", "", MB_OK);
  607.        break;
  608.     case LINEERR_NODEVICE:
  609.        MessageBox (hWnd, "No associated device for given class",
  610.                    "", MB_OK);
  611.        break;
  612.     case LINEERR_OPERATIONUNAVAIL:
  613.        MessageBox (hWnd, "The operation is unavailable",
  614.                    "", MB_OK);
  615.        break;
  616.     case LINEERR_INVALPARAM:
  617.         MessageBox(hWnd, "Invalid Paramater", "", MB_OK);
  618.        break; 
  619.  
  620.     case LINEERR_TARGETNOTFOUND:
  621.         MessageBox(hWnd, "Target Not Found", "", MB_OK);
  622.        break; 
  623.  
  624.    case LINEERR_NOREQUEST:
  625.       MessageBox(hWnd, "No outstanding Assisted Telephony requests.", "", MB_OK);
  626.        break; 
  627.    }
  628. }
  629.  
  630. LRESULT CALLBACK Dial ( HWND hDlg,           // window handle of the dialog box
  631.                         UINT message,        // type of message
  632.                         WPARAM wParam,       // message-specific information
  633.                         LPARAM lParam)
  634. {
  635.    switch (message) 
  636.    {
  637.        case WM_INITDIALOG:  // message: initialize dialog box
  638.                return (TRUE);
  639.  
  640.        case WM_COMMAND:                              // message: received a command
  641.          if (   LOWORD(wParam) == IDOK )        // "OK" box selected?
  642.          {
  643.             GetDlgItemText(hDlg, IDC_NAME, szName, 128);
  644.                 GetDlgItemText(hDlg, IDC_NUMBER, szNumber, 128);
  645.                                       
  646.  
  647.                 // put up a dialog box to obtain a string to dial from the user
  648.                //...........................................................
  649.                strcpy(myCallInfo[0].szDialStringOriginal, szNumber); 
  650.                
  651.                //allocate buffer for the LINEADDRESSCAPS strucuture 
  652.                //...................................................
  653.                plineTranslateOutput = (LINETRANSLATEOUTPUT *) calloc (1, sizeof(LINETRANSLATEOUTPUT)+1000);
  654.             plineTranslateOutput->dwTotalSize = sizeof(LINETRANSLATEOUTPUT) + 1000;
  655.               
  656.                // translate the Address to a dialable address and Canonical address
  657.                //.....................................................................
  658.                lRet = lineTranslateAddress(myInfo.lineApp, myLineInfo[OWNER].dwLineID, myInfo.dwAPIVersion,
  659.                                            myCallInfo[0].szDialStringOriginal, 0, 0, plineTranslateOutput);
  660.                               
  661.                if (lRet == 0)
  662.                {
  663.                        
  664.                    strncpy(myCallInfo[0].szDialString, (LPSTR)(plineTranslateOutput)
  665.                             + plineTranslateOutput->dwDialableStringOffset,
  666.                              plineTranslateOutput->dwDialableStringSize); 
  667.     
  668.                     strncpy(myCallInfo[0].szDialStringCanonical,(LPSTR)(plineTranslateOutput) 
  669.                             + plineTranslateOutput->dwDisplayableStringOffset,
  670.                             plineTranslateOutput->dwDisplayableStringSize); 
  671.                                            
  672.                    myCallInfo[0].dwTranslateResults = plineTranslateOutput->dwTranslateResults;
  673.                 }
  674.  
  675.                else 
  676.                {
  677.                     wsprintf ( buf,"lineTranslateAddress failed, err=x%lx", lRet);
  678.                     lineError(lRet);
  679.                    break;
  680.             }
  681.            
  682.                //lineMakeCall
  683.                //................................................................
  684.                           
  685.                plineCallParams = (LINECALLPARAMS *) calloc (1, sizeof(LINECALLPARAMS)+1000);
  686.             plineCallParams->dwTotalSize = sizeof(LINECALLPARAMS) + 1000;
  687.  
  688.                plineCallParams->dwBearerMode = LINEBEARERMODE_VOICE;
  689.                plineCallParams->dwMediaMode =  LINEMEDIAMODE_DATAMODEM;
  690.                plineCallParams->dwCallParamFlags = LINECALLPARAMFLAGS_IDLE;
  691.                plineCallParams->dwAddressMode    = LINEADDRESSMODE_ADDRESSID;
  692.                plineCallParams->dwAddressID    = 0;
  693.                plineCallParams->dwMinRate    = 1200;
  694.                plineCallParams->dwMaxRate    = 2400;
  695.                             
  696.                lRet = lineMakeCall(myLineInfo[OWNER].hLine,&myCallInfo[0].hCall, 
  697.                                       myCallInfo[0].szDialString ,0,  plineCallParams);
  698.            
  699.             if (lRet > 0)
  700.                {
  701.                wsprintf (buf, "lineMakeCall suceeded!");
  702.                SendMessage(hListWnd, LB_INSERTSTRING, (WPARAM) -1, (LONG) (LPSTR) buf) ;               
  703.                    myCallInfo[0].dwRequestID = lRet;
  704.                 }
  705.             else 
  706.                {
  707.                    wsprintf ( buf,"lineMakeCall failed, err=x%lx", lRet);
  708.                     lineError(lRet);
  709.                    break;
  710.             }
  711.             
  712.             EndDialog(hDlg, TRUE);        // Exit the dialog
  713.             return (TRUE);
  714.          }
  715.  
  716.             if (   LOWORD(wParam) == IDCANCEL)         // "OK" box selected?
  717.          {
  718.             EndDialog(hDlg, TRUE);        // Exit the dialog
  719.             return (TRUE);
  720.          }
  721.          break;
  722.  
  723.  
  724.    }
  725.  
  726.    return (FALSE); 
  727. }
  728.  
  729.  
  730. LRESULT CALLBACK About( HWND hDlg,           
  731.                         UINT message,        
  732.                         WPARAM wParam,       
  733.                         LPARAM lParam)
  734. {
  735.    switch (message) 
  736.    {
  737.        case WM_INITDIALOG: 
  738.                return (TRUE);
  739.  
  740.        case WM_COMMAND:                              
  741.                if (   LOWORD(wParam) == IDOK         
  742.                    || LOWORD(wParam) == IDCANCEL)    
  743.                {
  744.                        EndDialog(hDlg, TRUE);        
  745.                        return (TRUE);
  746.                }
  747.                break;
  748.    }
  749.  
  750.    return (FALSE); 
  751. }
  752.  
  753.  
  754.