ReactOS Development > Doxygen

00001 /*
00002  *  CLS.C - clear screen internal command.
00003  *
00004  *
00005  *  History:
00006  *
00007  *    07/27/1998 (John P. Price)
00008  *        started.
00009  *
00010  *    27-Jul-1998 (John P Price <linux-guru@gcfl.net>)
00011  *        added config.h include
00012  *
00013  *    04-Dec-1998 (Eric Kohl)
00014  *        Changed to Win32 console app.
00015  *
00016  *    08-Dec-1998 (Eric Kohl)
00017  *        Added help text ("/?").
00018  *
00019  *    14-Jan-1998 (Eric Kohl)
00020  *        Unicode ready!
00021  *
00022  *    20-Jan-1998 (Eric Kohl)
00023  *        Redirection ready!
00024  *
00025  *    02-Apr-2005 (Magnus Olsen) <magnus@greatlord.com>)
00026  *        Remove all hardcode string to En.rc
00027  */
00028 
00029 #include <precomp.h>
00030 
00031 #ifdef INCLUDE_CMD_CLS
00032 
00033 INT cmd_cls (LPTSTR param)
00034 {
00035     HANDLE hOutput = GetStdHandle(STD_OUTPUT_HANDLE);
00036     CONSOLE_SCREEN_BUFFER_INFO csbi;
00037     COORD coPos;
00038     DWORD dwWritten;
00039 
00040     if (!_tcsncmp (param, _T("/?"), 2))
00041     {
00042         ConOutResPaging(TRUE,STRING_CLS_HELP);
00043         return 0;
00044     }
00045 
00046     if (GetConsoleScreenBufferInfo(hOutput, &csbi))
00047     {
00048         coPos.X = 0;
00049         coPos.Y = 0;
00050         FillConsoleOutputAttribute(hOutput, csbi.wAttributes,
00051                                    csbi.dwSize.X * csbi.dwSize.Y,
00052                                    coPos, &dwWritten);
00053         FillConsoleOutputCharacter(hOutput, _T(' '),
00054                                    csbi.dwSize.X * csbi.dwSize.Y,
00055                                    coPos, &dwWritten);
00056         SetConsoleCursorPosition(hOutput, coPos);
00057     }
00058     else
00059     {
00060         ConOutChar(_T('\f'));
00061     }
00062 
00063     return 0;
00064 }
00065 #endif
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