STATDLG.C

// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF 
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO 
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A 
// PARTICULAR PURPOSE. 
// 
// Copyright 1993 - 1998 Microsoft Corporation.  All Rights Reserved. 
// 
//  MODULE:   statdlg.c 
// 
//  PURPOSE:   Displays the "StatDlg" dialog box 
// 
//  FUNCTIONS: 
//    StatDlg           - Processes messages for "StatDlg" dialog box. 
//    MsgStatDlgInit    - To initialize the statdlg box. 
//    MsgStatDlgCommand - Process WM_COMMAND message sent to the statdlg box. 
//    CmdStatDlgRefresh - Display the connection status. 
//    CmdStatDlgOK      - Free the statdlg box and related data. 
// 
//  COMMENTS: 
//    Dialog box to display the status of the selected connection 
// 
 
#include <windows.h>            // required for all Windows applications 
#include <windowsx.h> 
 
#ifdef WIN16 
#include "win16ext.h"           // required only for win16 applications 
#endif 
 
#include "globals.h"            // prototypes specific to this application 
#include <stdlib.h> 
#include <ras.h> 
#include <raserror.h> 
#include "rasutil.h" 
#include "statdlg.h" 
 
LRESULT MsgStatDlgInit(HWND, UINT, WPARAM, LPARAM); 
LRESULT MsgStatDlgCommand(HWND, UINT, WPARAM, LPARAM); 
LRESULT CmdStatDlgRefresh(HWND, WORD, WORD, HWND); 
LRESULT CmdStatDlgOK(HWND, WORD, WORD, HWND); 
 
// StatDlg dialog message table definition. 
MSD rgmsdStatDlg[] = 
{ 
    {WM_COMMAND,    MsgStatDlgCommand}, 
    {WM_INITDIALOG, MsgStatDlgInit} 
}; 
 
MSDI msdiStatDlg = 
{ 
    sizeof(rgmsdStatDlg) / sizeof(MSD), 
    rgmsdStatDlg, 
    edwpNone 
}; 
 
// StatDlg dialog command table definition. 
CMD rgcmdStatDlg[] = 
{ 
    {IDB_REFRESH, CmdStatDlgRefresh}, 
    {IDOK,        CmdStatDlgOK} 
}; 
 
CMDI cmdiStatDlg = 
{ 
    sizeof(rgcmdStatDlg) / sizeof(CMD), 
    rgcmdStatDlg, 
    edwpNone 
}; 
 
// Module specific "globals"  Used when a variable needs to be 
// accessed in more than on handler function. 
 
 
// 
//  FUNCTION: StatDlg(HWND, UINT, WPARAM, LPARAM) 
// 
//  PURPOSE:  Processes messages for "StatDlg" dialog box. 
// 
//  PARAMETERS: 
//    hdlg - window handle of the dialog box 
//    wMessage - type of message 
//    wparam - message-specific information 
//    lparam - message-specific information 
// 
//  RETURN VALUE: 
//    TRUE - message handled 
//    FALSE - message not handled 
// 
//  COMMENTS: 
//    Dispatch messages 
// 
 
LRESULT CALLBACK StatDlg(HWND hdlg, UINT uMessage, WPARAM wparam, LPARAM lparam) 
{ 
    return DispMessage(&msdiStatDlg, hdlg, uMessage, wparam, lparam); 
} 
 
 
// 
//  FUNCTION: MsgStatDlgInit(HWND, UINT, WPARAM, LPARAM) 
// 
//  PURPOSE: To initialize the statdlg box. 
// 
//  PARAMETERS: 
//    hwnd - The window handing the message. 
//    uMessage - The message number. WM_INITDLG. 
//    wparam - Message specific data (unused). 
//    lparam - Message specific data (unused). 
// 
//  RETURN VALUE: 
//    Always returns 0 - message handled. 
// 
//  COMMENTS: 
// 
 
LRESULT MsgStatDlgInit(HWND hdlg, UINT uMessage, WPARAM wparam, LPARAM lparam) 
{ 
    // Center the dialog over the application window 
    CenterWindow(hdlg, GetWindow(hdlg, GW_OWNER)); 
 
    SendMessage(hdlg, WM_COMMAND, (WPARAM) IDB_REFRESH, 0L ); 
 
    return TRUE; 
} 
 
// 
//  FUNCTION: MsgStatDlgCommand(HWND, UINT, WPARAM, LPARAM) 
// 
//  PURPOSE: Process WM_COMMAND message sent to the statdlg box. 
// 
//  PARAMETERS: 
//    hwnd - The window handing the message. 
//    uMessage - The message number. WM_COMMAND. 
//    wparam - Message specific data (unused). 
//    lparam - Message specific data (unused). 
// 
//  RETURN VALUE: 
//    TRUE for message handled. 
//    FALSE for message not handled. 
// 
//  COMMENTS: 
//    Uses this DispCommand function defined in wndproc.c combined 
//    with the cmdiStatDlg structure defined in this file to handle 
//    the command messages for the statdlg dialog box. 
// 
 
LRESULT MsgStatDlgCommand(HWND   hwnd,  
                        UINT   uMessage,  
                        WPARAM wparam,  
                        LPARAM lparam) 
{ 
    return DispCommand(&cmdiStatDlg, hwnd, wparam, lparam); 
} 
 
// 
//  FUNCTION: CmdStatDlgRefresh(HWND, WORD, WORD, HWND) 
// 
//  PURPOSE: Refresh the information displayed in the dialog box. 
// 
//  PARAMETERS: 
//    hwnd - The window handling the command. 
//    wCommand - The command to be handled IDB_REFRESH. 
//    wNotify  - The notifcation message (unused). 
//    hwndCtrl - NULL (unused). 
// 
//  RETURN VALUE: 
//    Always returns TRUE. 
// 
//  COMMENTS: 
//    Calls RasGetConnectStatus to populate dialog box. 
// 
 
LRESULT CmdStatDlgRefresh(HWND hdlg, WORD wCommand, WORD wNotify, HWND hwndCtrl) 
{ 
    HRASCONN hrasconn; 
    RASCONNSTATUS rasStatus; 
    DWORD dwRet; 
    CHAR  szBuf[256]; 
    HWND  hwndConn; 
    UINT  ndx; 
 
    // get the connection text from previous window 
    hwndConn = GetDlgItem( GetParent(hdlg), IDL_CONN); 
    ndx = (UINT) SendMessage( hwndConn, LB_GETCURSEL, 0,  0L ); 
    SendMessage( hwndConn, LB_GETTEXT, ndx, (LPARAM)(LPSTR)szBuf ); 
    SetDlgItemText(hdlg, IDE_CONNECTION, (LPSTR)szBuf ); 
 
    // get to HRASCONN 
    hrasconn = g_lphRasConn[ndx]; 
        
    // get connection status 
    rasStatus.dwSize = sizeof(RASCONNSTATUS); 
    dwRet = RasGetConnectStatus( hrasconn, &rasStatus ); 
    if ( dwRet ) 
    { 
        if ( RasGetErrorString( (UINT)dwRet, (LPSTR)szBuf, 256 ) != 0 ) 
            wsprintf( (LPSTR)szBuf, "Undefined RAS Connect Status Error (%ld).", dwRet ); 
 
        MessageBox(hdlg, (LPSTR)szBuf, szAppName, MB_OK | MB_ICONSTOP ); 
        EndDialog(hdlg, FALSE); 
        return TRUE; 
    } 
    else  
    { 
        LoadString( hInst, 
                    GetRasConnState( rasStatus.rasconnstate ), 
                    (LPSTR)szBuf, 
                    256 ); 
        SetDlgItemText(hdlg, IDE_STATUS, (LPSTR)szBuf); 
 
        if ( rasStatus.dwError ) // there is an error 
        { 
            if ( RasGetErrorString( (UINT)rasStatus.dwError, (LPSTR)szBuf, 256 ) != 0 ) 
                wsprintf( (LPSTR)szBuf, "Undefined Connection Error (%ld).", rasStatus.dwError ); 
        } 
        else 
        { 
            wsprintf( (LPSTR)szBuf, "No Error" ); 
        } 
        SetDlgItemText(hdlg, IDE_ERROR, (LPSTR)szBuf); 
 
        SetDlgItemText(hdlg, IDE_DEVICE, rasStatus.szDeviceName); 
 
        SetDlgItemText(hdlg, IDE_TYPE, rasStatus.szDeviceType); 
 
    } 
 
    return TRUE; 
} 
 
// 
//  FUNCTION: CmdStatDlgOK(HWND, WORD, HWND) 
// 
//  PURPOSE: Free the statdlg box and related data. 
// 
//  PARAMETERS: 
//    hwnd - The window handling the command. 
//    wCommand - The command to be handled (unused). 
//    wNotify  - The notifcation message (unused). 
//    hwndCtrl - NULL (unused). 
// 
//  RETURN VALUE: 
//    Always returns TRUE. 
// 
//  COMMENTS: 
//    Calls EndDialog to finish the dialog session. 
// 
 
LRESULT CmdStatDlgOK(HWND hdlg, WORD wCommand, WORD wNotify, HWND hwndCtrl) 
{ 
    EndDialog(hdlg, TRUE);          // Exit the dialog 
    return TRUE; 
}