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Annotation of mstools/samples/console/contitle.c, revision 1.1.1.2

1.1       root        1: #include <windows.h>
                      2: #include <stdio.h>
                      3: #include "console.h"
                      4: 
1.1.1.2 ! root        5: /* Microsoft Developer Support
        !             6:    Copyright (c) 1992 Microsoft Corporation */
        !             7: 
1.1       root        8: /********************************************************************
                      9: * FUNCTION: demoGetTitle(HANDLE hConOut)                            *
                     10: *                                                                   *
                     11: * PURPOSE: demonstrate GetConsoleTitle and SetConsoleTitle. Read and*
                     12: *          display the console title, then set the console title.   *
                     13: *                                                                   *
                     14: * INPUT: handle to write to                                         *
                     15: ********************************************************************/
                     16: 
                     17: void demoGetTitle(HANDLE hConOut)
                     18: {
                     19:   BOOL bSuccess;
                     20:   CHAR szTitleBuf[256]; /* buffer for the current console title */
                     21:   CHAR szTemp[256];
                     22:   HANDLE hStdIn; /* standard input handle */
                     23:   DWORD dwStdInMode; /* standard input handle mode */
                     24:   DWORD dwBytesRead;
                     25: 
                     26:   setConTitle(__FILE__);
                     27:   hStdIn = GetStdHandle(STD_INPUT_HANDLE);
1.1.1.2 ! root       28:   PERR(hStdIn != INVALID_HANDLE_VALUE, "GetStdHandle");
1.1       root       29:   /* save the console mode */
                     30:   bSuccess = GetConsoleMode(hStdIn, &dwStdInMode);
                     31:   PERR(bSuccess, "GetConsoleMode");
                     32:   /* turn on line input mode so we can enter a string. */
                     33:   /* when turning on ENABLE_LINE_INPUT, you MUST also turn on */
                     34:   /* ENABLE_ECHO_INPUT. */
                     35:   bSuccess = SetConsoleMode(hStdIn, dwStdInMode | ENABLE_LINE_INPUT |
                     36:       ENABLE_ECHO_INPUT);
                     37:   PERR(bSuccess, "SetConsoleMode");
                     38:   myPuts(hConOut, "Let's get the console title with GetConsoleTitle.");
                     39:   /* get the console title */
                     40:   dwBytesRead = GetConsoleTitle(szTitleBuf, sizeof(szTitleBuf));
                     41:   PERR(dwBytesRead, "GetConsoleTitle");
                     42:   sprintf(szTemp, "The console title is: %s", szTitleBuf);
                     43:   myPuts(hConOut, szTemp);
                     44:   myPuts(hConOut, "\nNow let's set a new console title with SetConsoleTitle.");
                     45:   myPuts(hConOut, "\nEnter a new console title:");
                     46:   bSuccess = ReadFile(hStdIn, szTitleBuf, 256, &dwBytesRead, NULL);
                     47:   PERR(bSuccess, "ReadFile");
1.1.1.2 ! root       48:   if (dwBytesRead > 2) /* did the user type any chars before hitting return? */
        !            49:     {
        !            50:     /* null terminate the string - less two for cr/lf */
        !            51:     szTitleBuf[dwBytesRead - 2] = 0;
        !            52:     bSuccess = SetConsoleTitle(szTitleBuf);
        !            53:     PERR(bSuccess, "SetConsoleTitle");
        !            54:     }
1.1       root       55:   /* restore the console title to the original mode */
                     56:   bSuccess = SetConsoleMode(hStdIn, dwStdInMode);
                     57:   PERR(bSuccess, "SetConsoleMode");
                     58:   myPuts(hConOut, "\nHit enter to return...");
                     59:   myGetchar();
                     60:   return;
                     61: }

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