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;

}