CMD 控制台 编程 例子

很酷的程序

让我想起DOS下的游戏编程 呵呵

 

Code from Internet

// fdgf.cpp : Defines the entry point for the console application. // #include "stdafx.h" // For WinXp /* Bounce - Creates a new thread each time the letter 'a' is typed. * Each thread bounces a happy face of a different color around the screen. * All threads are terminated when the letter 'Q' is entered. * * This program requires the multithread library. For example, compile * with the following command line: * CL /MT BOUNCE.C */ #include <windows.h> #include <stdlib.h> #include <string.h> #include <stdio.h> #include <conio.h> #include <process.h> #define MAX_THREADS 32 /* getrandom returns a random number between min and max, which must be in * integer range. */ #define getrandom( min, max ) ((rand() % (int)(((max) + 1) - (min))) + (min)) int main( void ); /* Thread 1: main */ void KbdFunc( void ); /* Keyboard input, thread dispatch */ void BounceProc( void * MyID ); /* Threads 2 to n: display */ void ClearScreen( void ); /* Screen clear */ void ShutDown( void ); /* Program shutdown */ void WriteTitle( int ThreadNum ); /* Display title bar information */ HANDLE hConsoleOut; /* Handle to the console */ HANDLE hRunMutex; /* "Keep Running" mutex */ HANDLE hScreenMutex; /* "Screen update" mutex */ int ThreadNr; /* Number of threads started */ CONSOLE_SCREEN_BUFFER_INFO csbiInfo; /* Console information */ int main() /* Thread One */ { /* Get display screen information & clear the screen.*/ hConsoleOut = GetStdHandle( STD_OUTPUT_HANDLE ); GetConsoleScreenBufferInfo( hConsoleOut, &csbiInfo ); ClearScreen(); WriteTitle( 0 ); /* Create the mutexes and reset thread count. */ hScreenMutex = CreateMutex( NULL, FALSE, NULL ); /* Cleared */ hRunMutex = CreateMutex( NULL, TRUE, NULL ); /* Set */ ThreadNr = 0; /* Start waiting for keyboard input to dispatch threads or exit. */ KbdFunc(); /* All threads done. Clean up handles. */ CloseHandle( hScreenMutex ); CloseHandle( hRunMutex ); CloseHandle( hConsoleOut ); } void ShutDown( void ) /* Shut down threads */ { while ( ThreadNr > 0 ) { /* Tell thread to die and record its death. */ ReleaseMutex( hRunMutex ); ThreadNr--; } /* Clean up display when done */ WaitForSingleObject( hScreenMutex, INFINITE ); ClearScreen(); } void KbdFunc( void ) /* Dispatch and count threads. */ { int KeyInfo; do { KeyInfo = _getch(); if( tolower( KeyInfo ) == 'a' && ThreadNr < MAX_THREADS ) { ThreadNr++; _beginthread( BounceProc,0,(void*)(&ThreadNr)); WriteTitle( ThreadNr ); } } while( tolower( KeyInfo ) != 'q' ); ShutDown(); } void BounceProc( void *MyID ) { char MyCell, OldCell; WORD MyAttrib, OldAttrib; char BlankCell = 0x20; COORD Coords, Delta; COORD Old = {0,0}; DWORD Dummy; /* Generate update increments and initial display coordinates. */ srand( (unsigned) *(PCHAR)MyID * 3 ); Coords.X = getrandom( 0, csbiInfo.dwSize.X - 1 ); Coords.Y = getrandom( 0, csbiInfo.dwSize.Y - 1 ); Delta.X = getrandom( -3, 3 ); Delta.Y = getrandom( -3, 3 ); /* Set up "happy face" & generate color attribute from thread number.*/ if( *(PCHAR)MyID > 16) MyCell = 0x01; /* outline face */ else MyCell = 0x02; /* solid face */ MyAttrib = *(PCHAR)MyID & 0x0F; /* force black background */ do { /* Wait for display to be available, then lock it. */ WaitForSingleObject( hScreenMutex, INFINITE ); /* If we still occupy the old screen position, blank it out. */ ReadConsoleOutputCharacter( hConsoleOut, &OldCell, 1, Old, &Dummy ); ReadConsoleOutputAttribute( hConsoleOut, &OldAttrib, 1, Old, &Dummy ); if (( OldCell == MyCell ) && (OldAttrib == MyAttrib)) WriteConsoleOutputCharacter( hConsoleOut, &BlankCell, 1, Old, &Dummy ); /* Draw new face, then clear screen lock */ WriteConsoleOutputCharacter( hConsoleOut, &MyCell, 1, Coords, &Dummy ); WriteConsoleOutputAttribute( hConsoleOut, &MyAttrib, 1, Coords, &Dummy ); ReleaseMutex( hScreenMutex ); /* Increment the coordinates for next placement of the block. */ Old.X = Coords.X; Old.Y = Coords.Y; Coords.X += Delta.X; Coords.Y += Delta.Y; /* If we are about to go off the screen, reverse direction */ if( Coords.X < 0 || Coords.X >= csbiInfo.dwSize.X ) { Delta.X = -Delta.X; Beep( 400, 50 ); } if( Coords.Y < 0 || Coords.Y > csbiInfo.dwSize.Y ) { Delta.Y = -Delta.Y; Beep( 600, 50 ); } } /* Repeat while RunMutex is still taken. */ while ( WaitForSingleObject( hRunMutex, 75L ) == WAIT_TIMEOUT ); } void WriteTitle( int ThreadNum ) { char NThreadMsg[80]; sprintf( NThreadMsg, "Threads running: %02d. Press 'A' to start a thread,'Q' to quit.", ThreadNum ); SetConsoleTitle( NThreadMsg ); } void ClearScreen( void ) { DWORD dummy; COORD Home = { 0, 0 }; FillConsoleOutputCharacter( hConsoleOut, ' ', csbiInfo.dwSize.X * csbiInfo.dwSize.Y, Home, &dummy ); }

 

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以下有用信息

 

“控制台窗口界面的编程控制”

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