0m的部落格

#pragma once

#ifdef _DEBUG

#ifndef __GUICON_H__

#define __GUICON_H__

//#include "stdafx.h"

void RedirectIOToConsole(); //重定向輸出輸入到命令行

#endif

#endif

/* End of File */

#ifdef _DEBUG //如果定義調試選項

#include "StdAfx.h" //包含頭文件"StdAfx.h"

#ifndef _USE_OLD_IOSTREAMS

using namespace std;

#endif

// maximum mumber of lines the output console should have

const WORD MAX_CONSOLE_LINES = 500; //最多能輸出命令行數

void RedirectIOToConsole()

{

int hConHandle; //命令行句柄

long lStdHandle; //std句柄

CONSOLE_SCREEN_BUFFER_INFO coninfo; //命令行緩衝區信息

FILE *fp; //文件指針

// allocate a console for this app

AllocConsole(); //分配一個命令行

// set the screen buffer to be big enough to let us scroll text

GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE),

&coninfo); //獲取命令行屏幕緩衝區信息

coninfo.dwSize.Y = MAX_CONSOLE_LINES; //大小的y為500

SetConsoleScreenBufferSize(GetStdHandle(STD_OUTPUT_HANDLE),

coninfo.dwSize); //獲取std輸出句柄后設置控制台屏幕緩衝區大小

//重定向無緩衝區STD輸出命令行 redirect unbuffered STDOUT to the console

lStdHandle = (long)GetStdHandle(STD_OUTPUT_HANDLE); //獲取std句柄

hConHandle = _open_osfhandle(lStdHandle, _O_TEXT); //打開osf句柄

fp = _fdopen( hConHandle, "w" ); //打開

*stdout = *fp;

setvbuf( stdout, NULL, _IONBF, 0 );  //把緩衝區與流相關

// redirect unbuffered STDIN to the console

lStdHandle = (long)GetStdHandle(STD_INPUT_HANDLE);

hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);

fp = _fdopen( hConHandle, "r" );

*stdin = *fp;

setvbuf( stdin, NULL, _IONBF, 0 );

// redirect unbuffered STDERR to the console

lStdHandle = (long)GetStdHandle(STD_ERROR_HANDLE);

hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);

fp = _fdopen( hConHandle, "w" );

*stderr = *fp;

setvbuf( stderr, NULL, _IONBF, 0 );

// 使用 cout, wcout, cin, wcin, wcerr, cerr, wclog and clog

// point to console as well

ios::sync_with_stdio(); //設置c++ 的 iostream 和 c 的 stdio同步

}

#endif

//End of File