如何让基于Dialog的程序在DOS窗口上输出文字？

有控制台方面的API……
可以检查是否有输入输出管道，没有就新建一个控制台来输出，有就直接往输出管道写内容

谢谢能给点相关资料吗？我想向已有的dos控制台上输出，不想自己建控制台。再次感谢！

//declare#if !defined(__CONSOLE_H_)
#define __CONSOLE_H_class CConsole
{
public:
CConsole()
{
hConsole = NULL;
};public:
void SetPosition(POINT pt,int wx,int wy);
// create the console
bool   Create(const char* szTitle, bool bNoClose = false);

// set color for output
void   Color(WORD wColor = NULL);
// write output to console
void   Output(const char* szOutput = NULL, ...);

// set and get title of console
void   SetTitle(const char* szTitle);
char*  GetTitle(); // get HWND and/or HANDLE of console
HWND   GetHWND();
HANDLE GetHandle(); // show/hide the console
void   Show(bool bShow = true);
// disable the [x] button of the console
void   DisableClose();
// clear all output
void   Clear(); // close the console and delete it
void   Close();
static   BOOL   CtrlHandler(DWORD fdwCtrlType);
private:
HANDLE hConsole;
};

//definition
#include "stdafx.h"
#include "Console.h"//color
//FOREGROUND_RED | FOREGROUND_INTENSITY
// macro for the Clear() function
#define ERR(bSuccess) { if(!bSuccess) return; }
// macro to check whether hConsole is valid
#define CHECK(hHandle) { if(hHandle == NULL) return; };
static CConsole* G_pConsole = NULL;bool CConsole::Create(const char *szTitle, bool bNoClose)
{
// Has console been already created?
if(hConsole != NULL)
return false;

// Allocate a new console for our app
if(!AllocConsole())
return false;

// Create the actual console
hConsole = CreateFile("CONOUT$", GENERIC_WRITE|GENERIC_READ, FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, 0);
//hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
  if(hConsole == INVALID_HANDLE_VALUE)
return false;

if(SetConsoleMode(hConsole, ENABLE_PROCESSED_OUTPUT | ENABLE_WRAP_AT_EOL_OUTPUT ) == 0)
return false;


// if true, disable the [x] button of the console
if(bNoClose)
DisableClose();

// set the console title
if(szTitle != NULL)
SetConsoleTitle(szTitle);   /*BOOL fSuccess;

  fSuccess = SetConsoleCtrlHandler(
      (PHANDLER_ROUTINE) CtrlHandler,  // handler function
      TRUE);                           // add to list
  if (!fSuccess)
      return false;   G_pConsole = this;*/
return true;
}void CConsole::Color(WORD wColor)
{
CHECK(hConsole); // no color specified, reset to defaults (white font on black background)
if(wColor != NULL)
SetConsoleTextAttribute(hConsole, wColor );
// change font and/or background color
else
SetConsoleTextAttribute(hConsole, FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE); // white text on black bg
}void CConsole::Output(const char* szOutput, ...)
{
CHECK(hConsole); DWORD dwWritten;
char out[256];
va_list va; // if not parameter set, write a new line
if(szOutput == NULL)
sprintf(out,"\n");
// process arguments
else
{
va_start(va, szOutput);
vsprintf(out, szOutput, va);
va_end(va);
}

// write to the console
WriteConsole(hConsole,out,strlen(out),&dwWritten,0);
}void CConsole::SetTitle(const char *title)
{
// self-explanatory
SetConsoleTitle(title);
}char* CConsole::GetTitle()
{
// get the title of our console and return it
static char szWindowTitle[256] = "";
GetConsoleTitle(szWindowTitle,sizeof(szWindowTitle)); return szWindowTitle;
}
HWND CConsole::GetHWND()
{
if(hConsole == NULL)
return NULL; // try to find our console window and return its HWND
return FindWindow("ConsoleWindowClass",GetTitle());
}void CConsole::Show(bool bShow)
{
CHECK(hConsole); // get out console's HWND and show/hide the console
HWND hWnd = GetHWND();
if(hWnd != NULL)
ShowWindow(hWnd, SW_HIDE ? SW_SHOW : bShow);
}void CConsole::DisableClose()
{
CHECK(hConsole); HWND hWnd = GetHWND();

// disable the [x] button if we found our console
if(hWnd != NULL)
{
HMENU hMenu = GetSystemMenu(hWnd,0);
if(hMenu != NULL)
{
DeleteMenu(hMenu, SC_CLOSE, MF_BYCOMMAND);
DrawMenuBar(hWnd);
}
}
}
void CConsole::Clear()
{
CHECK(hConsole); /***************************************/
// This code is from one of Microsoft's
// knowledge base articles, you can find it at
    // http://support.microsoft.com/default.aspx?scid=KB;EN-US;q99261&
/***************************************/ COORD coordScreen = { 0, 0 }; BOOL bSuccess;
    DWORD cCharsWritten;
    CONSOLE_SCREEN_BUFFER_INFO csbi; /* to get buffer info */
    DWORD dwConSize; /* get the number of character cells in the current buffer */     bSuccess = GetConsoleScreenBufferInfo( hConsole, &csbi );
    ERR(bSuccess);
    dwConSize = csbi.dwSize.X * csbi.dwSize.Y;    /* fill the entire screen with blanks */     bSuccess = FillConsoleOutputCharacter( hConsole, (TCHAR) ' ', dwConSize, coordScreen, &cCharsWritten );
    ERR(bSuccess);    /* get the current text attribute */     bSuccess = GetConsoleScreenBufferInfo( hConsole, &csbi );
    ERR(bSuccess);    /* now set the buffer's attributes accordingly */     bSuccess = FillConsoleOutputAttribute( hConsole, csbi.wAttributes, dwConSize, coordScreen, &cCharsWritten );
    ERR(bSuccess);    /* put the cursor at (0, 0) */     bSuccess = SetConsoleCursorPosition( hConsole, coordScreen );
    ERR(bSuccess);
}
HANDLE CConsole::GetHandle()
{
// simply return the handle to our console
return hConsole;
}void CConsole::Close()
{
// free the console, now it can't be used anymore until we Create() it again
FreeConsole();
hConsole = NULL;
}BOOL CConsole::CtrlHandler(DWORD fdwCtrlType)
{

  switch (fdwCtrlType)
    {
     // Handle the CTRL+C signal.
     //case CTRL_C_EVENT:

     //     Beep(1000, 1000);
     //     return TRUE;

      // CTRL+CLOSE: confirm that the user wants to exit.
      case CTRL_CLOSE_EVENT:
          //ASSERT(G_pConsole);

          G_pConsole->Close();
          return TRUE;      // Pass other signals to the next handler.       case CTRL_BREAK_EVENT:       case CTRL_LOGOFF_EVENT:       case CTRL_SHUTDOWN_EVENT:
      default:
            return FALSE;
    }
  return FALSE;
}void CConsole::SetPosition(POINT pt, int wx, int wy)
{
  if(hConsole)
  {
    HWND hwnd = GetHWND();
    SetWindowPos(hwnd,0,pt.x,pt.y,wx,wy,SWP_NOZORDER);
  }
}

//usage
CConsole m_Console;
m_Console.Create("Debug output windows",TRUE);
HWND hwnd = m_Console.GetHWND();
::SetForegroundWindow(hwnd);
m_Console.Color(FOREGROUND_GREEN | FOREGROUND_INTENSITY);
CString strError = "Test String";
m_Console.Output(strError);

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dllproc/base/console_reference.asp

#include <conio.h>#ifdef _DEBUG
AllocConsole();
static int n = 0;
n++;
cprintf("%d", n++);
#endif

调试易

如何让基于Dialog的程序在DOS窗口上输出文字？

解决方案 »