ALOCFREE.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. 
\******************************************************************************/ 
 
#include <windows.h> 
#include <stdio.h> 
#include "console.h" 
 
/********************************************************************* 
* FUNCTION: demoAllocFree(HANDLE hConOld, HANDLE *hConOut)           * 
*                                                                    * 
* PURPOSE: demonstrate FreeConsole & AllocConsole. Free the console  * 
*          and allocate a new one                                    * 
*                                                                    * 
* INPUT: the current console output handle and a temporary 'scratch' * 
*        console handle                                              * 
*********************************************************************/ 
 
void demoAllocFree(HANDLE hConOld, HANDLE *hConOut) 
{ 
  BOOL bSuccess; 
 
  setConTitle(__FILE__); 
  myPuts(hConOld, "Let's free the current console with FreeConsole. It will\n" 
                  "disappear for 3 seconds, then we'll allocate a new one.\n" 
                  "with AllocConsole. Hit return to continue..."); 
  myGetchar(); 
  bSuccess = FreeConsole(); 
  PERR(bSuccess, "FreeConsole"); 
  Sleep(3000); 
  bSuccess = AllocConsole(); 
  PERR(bSuccess, "AllocConsole"); 
  *hConOut = GetStdHandle(STD_OUTPUT_HANDLE); 
  /* set our console text attribute */ 
  bSuccess = SetConsoleTextAttribute(*hConOut, FOREGROUND_CYAN); 
  PERR(bSuccess, "SetConsoleTextAttribute"); 
  myPuts(*hConOut, "This is a new console that we've allocated with AllocConsole."); 
  Sleep(2000); 
  /* must refresh the screen since we've replaced the console */ 
  showConAPIs(*hConOut); 
  return; 
}