win32程序添加控制台程序

#include "stdafx.h"
#include <stdio.h>  
#include <fcntl.h>  
#include <io.h>  
#include <iostream>  
#include <fstream>
#include <conio.h>

#ifndef _USE_OLD_IOSTREAMS  
using namespace std;  
#endif  

// maximum mumber of lines the output console should have  
static const WORD MAX_CONSOLE_LINES = 500;  

void RedirectIOToConsole()  
{  
	int hConHandle;  
	long lStdHandle;  
	CONSOLE_SCREEN_BUFFER_INFO coninfo;  
	FILE *fp;  
	
	// 分配一个控制台程序  
	AllocConsole();
	
	// 设置足够大的屏幕缓存可以让我们滑动文本
	GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &coninfo);

	// 设置控制台屏幕的高度
	coninfo.dwSize.Y = MAX_CONSOLE_LINES;

	// 设置控制台屏幕缓存大小
	SetConsoleScreenBufferSize(GetStdHandle(STD_OUTPUT_HANDLE),  
		coninfo.dwSize);
	
	// 获取标准输出句柄
	lStdHandle = (long)GetStdHandle(STD_OUTPUT_HANDLE);

	//打开标准输出句柄，类似打开文件的方式如fopen,返回一个文件描述符
	hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);

	// 以可写的方式打开
	fp = _fdopen( hConHandle, "w" );

	*stdout = *fp;

	setvbuf( stdout, NULL, _IONBF, 0 );

	// 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 );  
	
	// make cout, wcout, cin, wcin, wcerr, cerr, wclog and clog  
	// point to console as well  
	ios::sync_with_stdio();  
}

void test()  
{  
	int iVar;  
	RedirectIOToConsole();  
	// test stdio  
	fprintf(stdout, "Test output to stdout\n");  
	fprintf(stderr, "Test output to stderr\n");  
	fprintf(stdout, "Enter an integer to test stdin: ");  
	scanf("%d", &iVar);  
	printf("You entered %d\n", iVar);  
	//test iostreams  
	cout << "Test output to cout" << endl;  
	cerr << "Test output to cerr" << endl;  
	clog << "Test output to clog" << endl;  
	cout << "Enter an integer to test cin: ";  
	cin >> iVar;  
	cout << "You entered " << iVar << endl;  
}  


int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)
{
 	// TODO: Place code here.
	test();

	getch();
	return 0;
}