Knowledge Base Nr: 00065 keystroke.cpp - http://www.swe-kaiser.de

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Win32: keysim.cpp : tastendrücke an den eigenen prozess schicken.
hilfreich um aus einer c-dll fremdapplikationen zu triggern
z.b. nach beeenden eines threads

  
    int nErr = DoKeyPress("F8#", 100);
    int nErr = DoKeyPress("SHIFT+F8#", 100);
    int nErr = DoKeyPress("ALT+F8#", 100);
    int nErr = DoKeyPress("CTRL+F8#", 100);
    int nErr = DoKeyPress("F7#F7#F8#", 100);


int DoKeyPress(const char* szKeys, int nDelay)
{
    char szError[100] = {0};
    char szTmp[100] = {0};
    bool bWithAlt = false;
    bool bWithShift = false;
    bool bWithCtrl = false;

    int i = 0;
    for (int n=0; szKeys[n]; n++)
    {
        szTmp[i++] = szKeys[n];

        if (szKeys[n] == '+')
        {
            szTmp[i-1] = 0;
            i = 0;

            if (stricmp(szTmp, "ALT") == 0)
                bWithAlt = true;
            else if (stricmp(szTmp, "SHIFT") == 0)
                bWithShift = true;
            else if (stricmp(szTmp, "CTRL") == 0)
                bWithCtrl = true;
            else
            {
                sprintf(szError, "<%s> muss sein ALT, SHIFT oder CTRL", szTmp);
                MessageBox(NULL, szTmp, "Fehler in DoKeyPress()", MB_OK|MB_ICONERROR);
                return -1;
            }
        }
        else if (szKeys[n] == '#')
        {
            szTmp[i-1] = 0;
            i = 0;

            int nWert = -1;

/* VK_0 thru VK_9 are the same as ASCII '0' thru '9' (0x30 - 0x39) */
/* VK_A thru VK_Z are the same as ASCII 'A' thru 'Z' (0x41 - 0x5A) */
            if (stricmp(szTmp, "A") == 0)
                nWert = 'A';
            else if (stricmp(szTmp, "B") == 0)
                nWert = 'B';
            else if (stricmp(szTmp, "C") == 0)
                nWert = 'C';
            else if (stricmp(szTmp, "D") == 0)
                nWert = 'D';
            else if (stricmp(szTmp, "E") == 0)
                nWert = 'E';
            else if (stricmp(szTmp, "F") == 0)
                nWert = 'F';
            else if (stricmp(szTmp, "G") == 0)
                nWert = 'G';
            else if (stricmp(szTmp, "H") == 0)
                nWert = 'H';
            else if (stricmp(szTmp, "I") == 0)
                nWert = 'I';
            else if (stricmp(szTmp, "J") == 0)
                nWert = 'J';
            else if (stricmp(szTmp, "K") == 0)
                nWert = 'K';
            else if (stricmp(szTmp, "L") == 0)
                nWert = 'L';
            else if (stricmp(szTmp, "M") == 0)
                nWert = 'M';
            else if (stricmp(szTmp, "N") == 0)
                nWert = 'N';
            else if (stricmp(szTmp, "O") == 0)
                nWert = 'O';
            else if (stricmp(szTmp, "P") == 0)
                nWert = 'P';
            else if (stricmp(szTmp, "Q") == 0)
                nWert = 'Q';
            else if (stricmp(szTmp, "R") == 0)
                nWert = 'R';
            else if (stricmp(szTmp, "S") == 0)
                nWert = 'S';
            else if (stricmp(szTmp, "T") == 0)
                nWert = 'T';
            else if (stricmp(szTmp, "U") == 0)
                nWert = 'U';
            else if (stricmp(szTmp, "V") == 0)
                nWert = 'V';
            else if (stricmp(szTmp, "W") == 0)
                nWert = 'W';
            else if (stricmp(szTmp, "X") == 0)
                nWert = 'X';
            else if (stricmp(szTmp, "Y") == 0)
                nWert = 'Y';
            else if (stricmp(szTmp, "Z") == 0)
                nWert = 'Z';

            else if (stricmp(szTmp, "0") == 0)
                nWert = '0';
            else if (stricmp(szTmp, "1") == 0)
                nWert = '1';
            else if (stricmp(szTmp, "2") == 0)
                nWert = '2';
            else if (stricmp(szTmp, "3") == 0)
                nWert = '3';
            else if (stricmp(szTmp, "4") == 0)
                nWert = '4';
            else if (stricmp(szTmp, "5") == 0)
                nWert = '5';
            else if (stricmp(szTmp, "6") == 0)
                nWert = '6';
            else if (stricmp(szTmp, "7") == 0)
                nWert = '7';
            else if (stricmp(szTmp, "8") == 0)
                nWert = '8';
            else if (stricmp(szTmp, "9") == 0)
                nWert = '9';

            else if (stricmp(szTmp, "F1") == 0)
                nWert = VK_F1;
            else if (stricmp(szTmp, "F2") == 0)
                nWert = VK_F2;
            else if (stricmp(szTmp, "F3") == 0)
                nWert = VK_F3;
            else if (stricmp(szTmp, "F4") == 0)
                nWert = VK_F4;
            else if (stricmp(szTmp, "F5") == 0)
                nWert = VK_F5;
            else if (stricmp(szTmp, "F6") == 0)
                nWert = VK_F6;
            else if (stricmp(szTmp, "F7") == 0)
                nWert = VK_F7;
            else if (stricmp(szTmp, "F8") == 0)
                nWert = VK_F8;
            else if (stricmp(szTmp, "F9") == 0)
                nWert = VK_F9;
            else if (stricmp(szTmp, "F10") == 0)
                nWert = VK_F10;
            else if (stricmp(szTmp, "F11") == 0)
                nWert = VK_F11;
            else if (stricmp(szTmp, "F12") == 0)
                nWert = VK_F12;

            else if (stricmp(szTmp, "ESC") == 0)
                nWert = VK_ESCAPE;
            else if (stricmp(szTmp, "TAB") == 0)
                nWert = VK_TAB;
            else if (stricmp(szTmp, "PGUP") == 0)
                nWert = VK_PRIOR;
            else if (stricmp(szTmp, "PGDN") == 0)
                nWert = VK_NEXT;
            else
            {
                sprintf(szError, "Unbekannter oder nicht implementierter VK_xxx Code <%s>", szTmp);
                MessageBox(NULL, szTmp, "Fehler in DoKeyPress()", MB_OK|MB_ICONERROR);
                return -2;
            }

            //event an process schicken
            if (nWert > 0)
            {
                if (bWithAlt)
                    keybd_event(VK_MENU, 0, 0, 0);
                if (bWithShift)
                    keybd_event(VK_SHIFT, 0, 0, 0);
                if (bWithCtrl)
                    keybd_event(VK_CONTROL, 0, 0, 0);

                keybd_event(nWert ,0,0,0);
                keybd_event(nWert ,0,KEYEVENTF_KEYUP,0);

                if (bWithAlt)
                    keybd_event(VK_MENU, 0, KEYEVENTF_KEYUP, 0);
                if (bWithShift)
                    keybd_event(VK_SHIFT, 0, KEYEVENTF_KEYUP, 0);
                if (bWithCtrl)
                    keybd_event(VK_CONTROL, 0, KEYEVENTF_KEYUP, 0);
            }

            Sleep(nDelay);
            bWithAlt = false;
            bWithShift = false;
            bWithCtrl = false;
            i = 0;
        }
    }

    return 0;
}