DIALOGS.C
//-----------------------------------------------------------------------------
// This is a part of the Microsoft Source Code Samples.
// Copyright 1993 - 1998 Microsoft Corporation.
// All rights reserved.
//
// This source code is only intended as a supplement to
// Microsoft Development Tools and/or WinHelp documentation.
// See these sources for detailed information regarding the
// Microsoft samples programs.
//-----------------------------------------------------------------------------
/****************************************************************************\
* dialogs.c -- sample program demonstrating Windows Sockets APIs.
*
* Handles the dialog boxes for the WSOCK sample.
*
****************************************************************************/
#include <stdio.h>
#include <stdlib.h> /* atoi */
#include <windows.h>
#include "wsock.h"
extern u_short portno; /* Which tcp port are we going to use? */
extern char szBuff[80];
/****************************************************************************
*
* FUNCTION: GetTcpPort(HWND, UINT, UINT, LONG)
*
* PURPOSE: dialog callback procedure. Allows the user to enter the
* tcp port number, or a service name.
*
*\***************************************************************************/
LRESULT APIENTRY GetTcpPort(
HWND hDlg, /* window handle of the dialog box */
UINT message, /* type of message */
UINT wParam, /* message-specific information */
LONG lParam)
{
switch (message) {
case WM_INITDIALOG: /* message: initialize dialog box */
SetFocus( GetDlgItem( hDlg, IDD_EDIT));
return (TRUE);
case WM_COMMAND: { /* message: received a command */
switch(LOWORD(wParam)) {
case IDOK: /* "OK" box selected? */
{
GetDlgItemText( hDlg, IDD_EDIT, szBuff, 80);
if ((portno = atoi(szBuff)) == 0)
EndDialog( hDlg, 2 );
else
EndDialog( hDlg, 1 );
}
break;
case IDCANCEL: /* System menu close command? */
EndDialog(hDlg, 0); /* Exits the dialog box */
break;
default:
return FALSE;
}
return (TRUE);
}
} /* switch message */
return (FALSE); /* Didn't process a message */
UNREFERENCED_PARAMETER(lParam);
}
/****************************************************************************
*
* FUNCTION: GetHostName(HWND, UINT, UINT, LONG)
*
* PURPOSE: dialog callback procedure. Allows the user to enter the
* the host name. Used for menu item "Check Host Name" and
* also for menu item "Connect".
*
*\***************************************************************************/
LRESULT APIENTRY GetHostName(
HWND hDlg, /* window handle of the dialog box */
UINT message, /* type of message */
UINT wParam, /* message-specific information */
LONG lParam)
{
switch (message) {
case WM_INITDIALOG: /* message: initialize dialog box */
SetFocus( GetDlgItem( hDlg, IDD_EDIT));
return (TRUE);
case WM_COMMAND: { /* message: received a command */
switch(LOWORD(wParam)) {
case IDOK: /* "OK" box selected? */
{
GetDlgItemText( hDlg, IDD_EDIT, szBuff, 80);
EndDialog(hDlg, TRUE); /* Exits the dialog box */
}
break;
case IDCANCEL: /* System menu close command? */
EndDialog(hDlg, FALSE); /* Exits the dialog box */
break;
default:
return FALSE;
}
return (TRUE);
}
} /* switch message */
return (FALSE); /* Didn't process a message */
UNREFERENCED_PARAMETER(lParam);
}
/****************************************************************************
*
* FUNCTION: About(HWND, UINT, UINT, LONG)
*
* PURPOSE: dialog callback procedure for "about" box.
*
*\***************************************************************************/
LRESULT APIENTRY About(
HWND hDlg, /* window handle of the dialog box */
UINT message, /* type of message */
UINT wParam, /* message-specific information */
LONG lParam)
{
switch (message) {
case WM_COMMAND: /* message: received a command */
if (LOWORD(wParam) == IDOK /* "OK" box selected? */
|| LOWORD(wParam) == IDCANCEL) { /* System menu close command? */
EndDialog(hDlg, TRUE); /* Exits the dialog box */
return (TRUE); /* WM_COMMAND */
}
break;
} /* End switch message */
return (FALSE); /* Didn't process a message */
UNREFERENCED_PARAMETER(lParam);
}
/****************************************************************************
*
* FUNCTION: DisplayHostEnt(HWND, UINT, UINT, LONG)
*
* PURPOSE: dialog callback procedure. Displays the information
* returned by gethostbyname() (HOSTENT structure).
*
*\***************************************************************************/
LRESULT APIENTRY DisplayHostEnt(
HWND hDlg, /* window handle of the dialog box */
UINT message, /* type of message */
UINT wParam, /* message-specific information */
LONG lParam)
{
DWORD ret;
switch (message) {
/*
* Initialize dialog box
*/
case WM_INITDIALOG:
{
int count = 0;
SetWindowText( GetDlgItem( hDlg, IDD_HOSTNAME), (LPCTSTR)phe->h_name);
while (phe->h_aliases[count] != NULL) {
SendDlgItemMessage(hDlg, IDD_LBALIAS, LB_ADDSTRING, 0, (LPARAM)(phe->h_aliases[count]));
count++;
}
count = 0;
/*
* Enumerate all the hosts IP addresses.
*/
while (phe->h_addr_list[count] != NULL) {
sprintf( szBuff, "%u.%u.%u.%u",
(unsigned char) phe->h_addr_list[count][0],
(unsigned char) phe->h_addr_list[count][1],
(unsigned char) phe->h_addr_list[count][2],
(unsigned char) phe->h_addr_list[count][3]);
count++;
/*
* Fill the dialog box..
*/
if ((ret = SendDlgItemMessage(hDlg, IDD_LBADDR, LB_ADDSTRING, 0, (LPARAM)(LPCTSTR)szBuff)) == LB_ERR)
MessageBox(hDlg, szBuff, "Couldn't add address..", MB_OK);
}
} /* while( more IP addresses ) */
return (TRUE); /* WM_INITDIALOG */
/*
* Received a command message
*/
case WM_COMMAND:
if (LOWORD(wParam) == IDOK) {
EndDialog(hDlg, TRUE); /* Exits the dialog box */
return TRUE;
}
return FALSE; /* WM_COMMAND */
} /* switch message */
return (FALSE); /* Didn't process a message */
UNREFERENCED_PARAMETER(lParam);
} /* DisplayHostEnt */
/****************************************************************************
*
* FUNCTION: GetSendString(HWND, UINT, UINT, LONG)
*
* PURPOSE: dialog callback procedure. Allows the user to enter a
* string to be sent to the connected remote host.
*
*\***************************************************************************/
LRESULT APIENTRY GetSendString(
HWND hDlg, /* window handle of the dialog box */
UINT message, /* type of message */
UINT wParam, /* message-specific information */
LONG lParam)
{
switch (message) {
case WM_INITDIALOG: /* message: initialize dialog box */
SetFocus( GetDlgItem( hDlg, IDD_EDIT));
return (TRUE);
case WM_COMMAND: { /* message: received a command */
switch(LOWORD(wParam)) {
case IDOK: /* "OK" box selected? */
{
/*
* Store string in szBuff (global buffer)
*/
GetDlgItemText( hDlg, IDD_EDIT, szBuff, 80);
EndDialog(hDlg, TRUE); /* Exits the dialog box */
}
break;
case IDCANCEL: /* System menu close command? */
EndDialog(hDlg, FALSE); /* Exits the dialog box */
break;
default:
return FALSE;
}
return (TRUE);
}
} /* switch message */
return (FALSE); /* Didn't process a message */
UNREFERENCED_PARAMETER(lParam);
} /* GetString */